New Horizons: Jupiter Encounter. Through 2007.

3488 · Feb 5, 2007

Hi Viper101, Yes, I too have been looking for more recent LORRI images of Jupiter. The most recent posted is the one of Jupiter, Io & Ganymede on Wednesday 24th January 2007. As soon as others are posted, I will put the best of them on here. Perhaps you might like this one from MRO HiRISE. Jupiter from Mars. Hi mikeemmert, Thanks for your response. I agree, the Pluto system itself will offer much variety. I take it that you do not think that Nix & Hydra are related to Charon?? After all Pluto is the currently second largest known KBO after Eris!! I just saw a potential opportunity that the LORRI camera from afar could reveal some new info on a few other KBOs, seeing as both Ixion & Quaoar will be 'relatively' close by & that the LORRI has already imaged Pluto from a vastly greater distance. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 12, 2007

An update from Spaceflightnow.com New Horizons observes solar wind interactions SOUTHWEST RESEARCH INSTITUTE NEWS RELEASE Posted: February 9, 2007 A little over a year since launch, with its sights firmly on Jupiter, the New Horizons spacecraft is testing its science payload and making observations as it rounds the planet for a gravity-assist that will speed its journey to the edge of the solar system. As the spacecraft approaches the planet, the Solar Wind Around Pluto (SWAP) instrument is already generating data that will help resolve puzzling questions about the interactions between the solar wind, the million-mile-per-hour stream of ionized gas flowing out from the Sun, and Jupiter's magnetosphere, the magnetic bubble that surrounds the planet and encloses ionized gas. From a distance of about 0.4 astronomical unit (one AU is the distance from the Earth to the Sun, or about 100 million miles) from the planet, SWAP, built by Southwest Research Institute, observed an immense structure of compressed, dense, hot ionized gas that forms in the solar wind, called a co-rotating interaction region. These structures form when solar wind streams that are both fast and slow come out of the Sun, and flow out in different directions in response to the rotation of the Sun. The fast layers try to overtake the slow layers yet are unable to flow through them, instead compressing the slow material like a snow plow and bunching up solar wind to create the co-rotating interaction region. These regions contain significantly higher densities and pressures that eventually expand and form discontinuities, or shocks, in the solar wind, which spread out and away from the high pressure regions. "These solar wind structures collide with the magnetospheres of planets and, we believe, cause major variations in their structures," says Dr. David McComas, SWAP principal investigator and senior executive director of the SwRI Space Science and Engineer <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Four new images taken by LORRI. Image one. Jupiter from 29 million kilometres. LORRI Camera: Saturday 10th February 2007. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Image two. Jupiter from 29 million kilometres. Red Spot Junior is near the limb. LORRI Camera: Saturday 10th February 2007. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Image three. Jupiter from 29 million kilometres. LORRI Camera: Saturday 10th February 2007. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

This image of Jupiter is produced from a 2x2 mosaic of photos taken by the New Horizons Long Range Reconnaissance Imager (LORRI), and assembled by the LORRI team at the Johns Hopkins University Applied Physics Laboratory. The telescopic camera snapped the images during a 3-minute, 35-second span on February 10, when the spacecraft was 29 million kilometers (18 million miles) from Jupiter. At this distance, Jupiter's diameter was 1,015 LORRI pixels - nearly filling the imager's entire (1,024-by-1,024 pixel) field of view. Features as small as 290 kilometers (180 miles) are visible. Both the Great Red Spot and Little Red Spot are visible in the image, on the left and lower right, respectively. The apparent "storm" on the planet's right limb is a section of the south tropical zone that has been detached from the region to its west (or left) by a "disturbance" that scientists and amateur astronomers are watching closely. At the time LORRI took these images, New Horizons was 820 million kilometers (510 million miles) from home - nearly 5½ times the distance between the Sun and Earth. This is the last full-disk image of Jupiter LORRI will produce, since Jupiter is appearing larger as New Horizons draws closer, and the imager will start to focus on specific areas of the planet for higher-resolution studies. A larger high resolution image can be seen here. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. --------------------------------------------------------------------------------------------------------------------------------------------------- That disturbance is looking interesting in the South Tropical Zone!!!!! This encounter is beginning to get really exciting now!!!! I am like a little child with a new toy. Always been fascinated b <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

gunsandrockets · Feb 14, 2007

"Of course Jupiter will cause some deceleration, but the net speed will still be greater after the encounter than it was prior." How much velocity gain will New Horizons get from the Jupiter gravity assist?

3488 · Feb 14, 2007

Hi gunsandrockets. The increase in speed (Heliocentric) of New Horizons will be by 14,410 KPH / 9,000 MPH post encounter. Quite a useful kick, considering next to no fuel will be used, whilst shortening the journey time to the Pluto system considerably (by about four & a half year IIRC). Hi all, Below is my blow up & enhancement of the 'disturbance' in the South Tropical Zone & of the Red Spot Junior. That disturbance is certainly very interesting & either at or near closest approach to Jupiter, New Horizons should be able to reveal more about it. The detail in Red Spot Junior is quite amazing now!! LORRI Camera: Saturday 10th February 2007. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Post deleted by 3488 <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Below is my blow up & enhancement of Red Spot Junior & the interesting southern hemisphere 'wake' to the west, as well as numerous small white ovals. LORRI Camera: Saturday 10th February 2007. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Chart showing New Horizons position as of 5:00 PM GMT, Wednesday 14th February 2007. As shuttle-guy says, Jupiter's gravity is now dominant on New Horizons over that of the Sun's 0.15 AU or 22,348,000 Kilometres / 13,950,000 miles from Jupiter. Shows how powerful Jupiter's gravity is. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 14, 2007

Chart showing New Horizons position as of 5:00 PM GMT, Wednesday 14th February 2007. New Horizons in relation to the main members of the Jupiter system. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

jmilsom · Feb 15, 2007

Latest PI perspective just posted HERE Latest Podcast (#3) HERE Great images Andrew. (My Uni deadline's Monday, I should get more active after that) Mission elapsed time: Days 392 Hours 04 Minutes 20 Jupiter closest approach Days 12 Hours 06 Minutes 20 Pluto closest approach!!!! Days 3070 Hours 12 Minutes 38/safety_wrapper> <div class="Discussion_UserSignature"> </div>

3488 · Feb 16, 2007

Thanks shuttle-guy. This proves that New Horizons is well within Jupiter's Hill Sphere. Lets hope that N H will not miss the Pluto keyhole. New Horizons is now closer to Jupiter than the outermost suspected captured asteroid moons in retrograde orbits: Euporie, Euanthe, Harpalyke, Praxidike, Orthosie, Iocaste, Ananke, Hermippe, Thyone, Arche, Pasithee, Kale, Chaldene, Isonoe, Eurydome, Erinome, Taygete, Carme, Kalyke, Aitne, Pasiphae, Megaclite, Sinope, Callirrhoe & Autonoe. Shame that New Horizons could not have encountered any of these!!! Pasiphae is the largest at 18 kilometres / 11 miles across & Euporie the smallest at only one kilometre / 0.621 mile across. Note that the names end with the letter e, to idintify them from the closer next lot closer in prograde group (not including the Galileans & the four closest to Jupiter) whos names end with the letter a. Position of New Horizons in relation to the major members of the Jovian system as of: Friday 16th February 2007 @ 5:00 PM. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 19, 2007

We are getting closer & faster. 19.53 KM per Second. Position of New Horizons in relation to the major members of the Jovian system as of: Monday 19th February 2007 @ 4:00 PM. GMT. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

turbopause · Feb 19, 2007

I'm a n00b here and to learning about space/the planets in general and I'm finding these plots very informative - thanks Andrew! Mark

brellis · Feb 19, 2007

hi turbopause welcome to SDC! enjoy perusing the - er, fora (?) - which reminds me, watch for vogon13, he's not (in the voice of Sallah from Raiders of the Lost Ark): of this earth! <div class="Discussion_UserSignature"> I'm a recovering optimist - things could be better. </div>

3488 · Feb 20, 2007

Hi turbopause. A very big welcome to SDC, & you are most welcome here. Please keep an eye on this board. Very interesting material, wriiten & posted by very knowledgable, educated & interesting people!! I have always been fascinated & have done research on the Jupiter system since I was young, so this upcoming encounter with the Pluto bound New Horizons is of the upmost importance to myself & other Jupiter crats (I am very much an Io enthusiast, love volcanoes & volcanic geology). Hi all, New Horizons will shortly be crossing the orbits of the next group of moons in, the prograde group: Leda, Himalia, Lysithea, Elara & S/2000 J11 (as yet unnamed). Himalia is Jupiter's sixth largest moon at about 190 KM across & Elara the eighth largest at about 80 KM across (Thebe is the seventh largest). New Horizons may make distant observations of these two. They are thought to be similar or are captured type S (Silicate) asteroids. We are getting closer & faster. 19.56 KM per Second. Position of New Horizons in relation to the major members of the Jovian system as of: Tuesday 20th February 2007 @ 3:00 PM. GMT. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 21, 2007

We are getting closer & faster. 19.63 KM per Second. Only 11,216,000 kilometres / 6,965,000 miles out now. Position of New Horizons in relation to the major members of the Jovian system as of: Wednesday 21st February 2007 @ 4:00 PM. GMT. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · Feb 23, 2007

1600 UTC Feb 23rd, New Horizon's velocity is up to 19.81 km.sec ticking upward every hour or two..... Only about 8,000,000 km away!! <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

3488 · Feb 23, 2007

Thanks MeteorWayne. No new LORRI images as yet, just this minute checked. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · Feb 23, 2007

I'm gonna open a bottle of wine at 20 km/sec <img src="/images/icons/smile.gif" /> <img src="/images/icons/laugh.gif" /> <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

3488 · Feb 23, 2007

Dont blame you MeteorWayne. This is a truly fantastic event. New Horizons is about to cross the orbit of a tiny Jovian moon Themisto, an eight kilometre (probably cratered) wide piece of silicate rock (most likely a smaller version of asteroid 243 Ida, 433 Eros or 951 Gaspra). Themisto is a loner, orbiting alone @ 7.5 million kilometers from Jove, between tiny 10 km wide Leda (about 11 million KM from Jupiter) & planet sized 4820 kilometre diameter Callisto which circles its giant master at an average distance of 1.882 million kilometres. The next object in is the solar system's third largest & Jupiter's second largest giant moon Callisto!! New Horizons is fast approaching the 'Pluto Keyhole'!! Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 24, 2007

New Horizons has crossed the orbit of tiny Themisto last night & will not cross any more of Jupiter's moons orbits again (apart from those already done so, but outbound in reverse). Chart showing New Horizons position as of 10:00 AM GMT, Saturday 24th February 2007. New Horizons in relation to the main members of the Jupiter system. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · Feb 24, 2007

Finally, velocity 20 kps!! That's 72,000 kph, or 44,738.73 mph. Or 0.000066 c <img src="/images/icons/smile.gif" /> <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

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