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Topic: 5535 Annefrank


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  Stardust | JPL | NASA
Because of the high probability of not seeing Annefrank during the approach, the flyby was designed to be successful without having to see it up to 20 minutes from encounter.
Since Annefrank was not seen in the approach images, the flight team felt that the asteroid was at least as dim as predicted and possibly even dimmer.
Annefrank is about twice as large as predicted, at least 6 kilometers in diameter, but darker than expected and therefore more difficult to detect in the early images.
stardust.jpl.nasa.gov /news/news94.html   (1410 words)

  
 5535 Annefrank
The Annefrank flyby offered a unique opportunity to thoroughly test all the operations planned for the encounter at Wild 2, where Stardust will collect samples from the cloud of dust around the comet for return to Earth.
When Annefrank could not be seen during earlier approach, the flight team concluded the asteroid might be dimmer than anticipated, so it sent up commands for the camera to use longer exposures during the early stages of the encounter.
Asteroid Annefrank is seen as irregularly shaped, cratered body in an image taken by NASA's Stardust spacecraft during a November 2 flyby of the asteroid.
www.geocities.com /lipanovic/5535_annefrank/5535_annefrank.html   (878 words)

  
 Newswise
It will be a moment tinged in history when the Stardust spacecraft flies by Asteroid 5535 Annefrank on Friday, testing many systems and procedures to be used in a comet enounter in a little more than a year.
Asteroid 5535 was discovered by prolific German asteroid hunter Karl Reinmuth in March 1942 but was not named Annefrank until long after World War II.
Now Annefrank happens to be the asteroid that lies on the right course to help Stardust and its controllers at NASA's Jet Propulsion Laboratory in Pasadena, Calif., prepare for the tasks they face come Jan. 2, 2004.
www.newswise.com /articles/view?id=STARDST.UWA   (697 words)

  
 5535 Annefrank - Definition, explanation
5535 Annefrank is an inner main belt asteroid, and member of the Augusta family.
In 2002, the Stardust space probe flew past 5535 Annefrank at a distance of 3079 km, and took photographs that showed it to be 6.6 × 5.0 × 3.4 km in diameter, twice as big as previously thought and of an irregular shape with craters.
From the photographs, the albedo of 5535 Annefrank was computed as 0.24.
www.calsky.com /lexikon/en/txt/5/55/5535_annefrank.php   (186 words)

  
 Asteroid 5535 Annefrank size, shape, and orientation: Stardust first results
The NASA Discovery Stardust spacecraft flew by the main belt asteroid 5535 Annefrank at a distance of 3100 km and a speed of 7.4 km/s in November 2002 to test the encounter sequence developed for its primary science target, the comet 81P/Wild 2.
This viewing showed that Annefrank was at least 6.6 × 5.0 × 3.4 km in size (diameters), with its shortest dimension normal to its orbit plane.
Annefrank is highly angular, with flat appearing surfaces, possibly planes formed when it was fractured off of a larger parent body.
www.agu.org /pubs/crossref/2004/2003JE002108.shtml   (333 words)

  
 5535 Annefrank Information
In 2002, the Stardust space probe flew past Annefrank at a distance of 3079 km.
Its images show the asteroid to be 6.6 × 5.0 × 3.4 km in diameter, twice as big as previously thought, and of an irregular shape with craters.
From the photographs, the albedo of Annefrank was computed to be 0.24.
www.bookrags.com /5535_Annefrank   (176 words)

  
 Stardust 5535 Annefrank Flyby
As it turned out, 5535 Annefrank was a little larger than expected, and the distance was slightly less than planned.
That image is now enshrined on the Stardust Web site's Asteroid 5535 Annefrank page, and is also available as a 159Kb TIFF from the JPL public information office.
The flyby planning is detailed in Stardust Mission Plan Post Launch Supplement B, Wild-2 Encounter Test: Annefrank Flyby, which is archived as a 580Kb PDF dated 23 October 2002.
www.hohmanntransfer.com /top/stardust/5535.htm   (1147 words)

  
 Asteroid Annefrank
Annefrank, named for a holocaust victim who kept a famous diary, is a member of the
Although images obtained were not detailed enough to resolve much of the asteroid's surface, the size, reflectivity, and general shape of the asteroid were recorded.
At 6 kilometers across, asteroid Annefrank turned out to be larger -- and darker -- than expected.
www.astronet.ru:8100 /db/xware/msg/1180853   (115 words)

  
 Catalog Page for PIA02885
Asteroid Annefrank is seen as irregularly shaped, cratered body in an image taken by NASA's Stardust spacecraft during a Nov. 2 flyby of the asteroid.
Stardust flew within about 3,300 kilometers (2,050 miles) of the asteroid as a rehearsal for the spacecraft's encounter with its primary target, comet Wild 2, in January 2004.
The camera's resolution was sufficient to show that Annefrank is about 8 kilometers (5 miles) in length, twice the predicted size from Earth-based observations.
photojournal.jpl.nasa.gov /catalog/PIA02885   (220 words)

  
 Flyby of Annefrank asteroid to help Stardust prepare for primary mission
Stardust spacecraft makes an encounter with Asteroid 5535 Annefrank this weekend.
Frank, a Jewish teenager, joined her parents, her sister and four others hiding from the Nazis in Amsterdam, Holland.
Now Annefrank happens to be the asteroid that lies on the right course to help Stardust and its controllers at NASA's
www.washington.edu /newsroom/news/2002archive/10-02archive/k102802.html   (665 words)

  
 Stardust | JPL | NASA
On November 2, 2002, the Stardust spacecraft flew by Asteroid 5535 Annefrank.
This image of the asteroid was taken by the Stardust spacecraft just prior to closest approach.
The STARDUST camera resolution was sufficient to show that Annefrank was about 8 km in length, twice the predicted size from Earth-based observations.
stardust.jpl.nasa.gov /photo/annefrank.html   (152 words)

  
 Phase curve and albedo of asteroid 5535 Annefrank
Seventy-two images of the S-class asteroid 5535 Annefrank, acquired on 2 November 2002 at target ranges of 11,415–3078.5 km, were transmitted to Earth as a part of an engineering readiness test of the Stardust mission.
Assuming a camera efficiency of 75%, a broadband (470–940 nm) geometric albedo of 0.24 was derived for Annefrank.
(2003), Phase curve and albedo of asteroid 5535 Annefrank, J.
www.agu.org /pubs/crossref/2003/2003JE002106.shtml   (287 words)

  
 Comet-chasing spacecraft performs test run - 04 November 2002 - New Scientist Tech
A NASA spacecraft has zoomed past an asteroid in deep space in a final test of the instruments it will use to capture dust from the tail of a comet in 2004.
NASA's Stardust probe flew to within 3300 kilometres of comet Annefrank at 0450 GMT on Saturday, travelling at a relative speed of seven kilometres per second.
Asteroid 5535 Annefrank was first spotted in 1942 by the German asteroid hunter Karl Reinmuth.
www.newscientisttech.com /article/dn3002   (380 words)

  
 ASTEROID ANNEFRANK
The image shows a partially illuminated, highly irregularly shaped asteroid, typical of all small bodies imaged in our solar system.
A few craters many hundreds of meters are seen as well as surface brightness variations due to changes in solar illumination as well as albedo variation.
STARDUST Successfully Images Asteroid Annefrank During Dress Rehearsal
www.xs4all.nl /~carlkop/annefrank.html   (1444 words)

  
 ScienceDaily: NASA's Stardust Comet-Chaser Passes Asteroid Test
The spacecraft still had not sighted Annefrank 12 hours before the closest approach, but the flyby had been designed to be successful without needing to see the target until 20 minutes before the encounter.
When Annefrank could not be seen during earlier approach, the flight team concluded the asteroid might be dimmer than anticipated, so it sent up commands for the camera to use longer exposures during the early stages of the encounter.
Flyby Of Annefrank Asteroid To Help Stardust Prepare For Primary Mission (October 29, 2002) -- It will be a moment tinged with history when the Stardust spacecraft makes an encounter with Asteroid 5535 Annefrank this weekend.
www.sciencedaily.com /releases/2002/11/021105080853.htm   (2337 words)

  
 AST 101: Planets   (Site not responding. Last check: 2007-10-11)
Annefrank is small, only 8 km long, and dark, reflecting 10-20% of sunlight hitting it.
Stardust passed within 3300 km of Annefrank on November 2 2002.
The Near Earth Asteroid Rendezvous (NEAR) spacecraft flew by and then later orbited 433 EROS for about a year beginning on February 14 2000.
www.ess.sunysb.edu /fwalter/AST101/pluto.html   (3419 words)

  
 spacetoday.net: Stardust completes asteroid flyby
Stardust flew within 3,300 kilometers of the asteroid 5535 Annefrank at 11:50 pm EST Friday (0450 GMT Saturday).
Images taken during the Annefrank flyby are being transmitted back to Earth for analysis during the coming week; none have been released yet.
NASA planned to use the flyby of Annefrank, a main-belt asteroid about four kilometers across, as a dress rehearsal for the spacecraft's primary mission, a flyby of the comet Wild 2 in January 2004.
www.spacetoday.net /Summary/1283   (236 words)

  
 CANOPUS 02/11 - Stardust flies by Annefrank   (Site not responding. Last check: 2007-10-11)
Stardust's main camera will capture images, but the asteroid's relatively small size (2½ miles across) and the spacecraft's distance (about 1,900 miles) mean the images won't be very detailed, he said.
But when it approaches Wild 2 (pronounced Vilt two), Stardust will be working without a net - the "safe mode" function will be turned off.
No responsibility is assumed for the accuracy of information presented on this site, nor for its use or the consequences thereof.
www.aqua.co.za /assa_jhb/new/Canopus/Can2002/c02bDust.htm   (714 words)

  
 Comets, Asteroids, and Sun
In addition to the comet mission, Stardust also flew by and imaged the asteroid 5535 Annefrank.
The total mission cost of Stardust is approximately $199.6 million, of which roughly $128.4 million is the cost of development and construction of the spacecraft and $40 million is for mission operations.
On November 2, 2002 at 04:50 UT, Stardust flew within 3300 km of asteroid 5535 Annefrank at a relative velocity was 7 km/s.
burro.astr.cwru.edu /stu/21st_misc.html   (3445 words)

  
 Stardust nears end of epic journey; Researchers await its treasure
It began collecting interstellar dust in 2000 and met Wild 2 (pronounced Vilt 2) on Jan. 2, 2004, when the spacecraft weathered a hailstorm of comet particles and snapped exceptional close-up photographs of the comet's surface.
During its 2.88 billion-mile voyage Stardust made one pass by Earth to get a speed boost from the planet's gravity, and later staged a dress-rehearsal for the comet encounter when it maneuvered very close to Asteroid 5535 Annefrank.
The tensest moment other than the comet encounter came in November 2000, while the spacecraft was cruising along some 130 million miles from the sun.
www.eurekalert.org /pub_releases/2006-01/uow-sne010306.php   (1088 words)

  
 Annefrank Flyby A Success
It turned out that we were approaching the asteroid's night side, and since all asteroids are different shapes, you can't definitively say which side will be light and which side will be dark.
The pictures we got show that the Annefrank asteroid is a lot bigger and a lot darker than we originally expected.
While the Annefrank flyby excited scientists involved, this weekend's operation only constituted a dress rehearsal of sorts for the Stardust spacecraft's upcoming encounter with the comet Wild 2 (pronounced vild two).
www.spacedaily.com /news/stardust-02d.html   (695 words)

  
 NASA's Stardust Views Asteroid Annefrank During Dress Rehearsal Encounter | SpaceRef - Your Space Reference
Late Friday evening Pacific time on November 2, 2002 at the Jet Propulsion Laboratory (JPL) in Pasadena, California, and at Lockheed Martin Space Systems - Astronautics (LMA) near Denver, Colorado, the NASA STARDUST flight team pulled off a tremendously successful close flyby of the main belt asteroid Annefrank.
We have now validated STARDUST's systems and operations and we are eagerly awaiting our encounter with Comet Wild 2, just over one year from now".
The surface reflects about 0.1 - 0.2 % of the sunlight, slightly less than predicted.
www.spaceref.com /news/viewpr.html?pid=9728   (1890 words)

  
 A Solar System Photo Gallery   (Site not responding. Last check: 2007-10-11)
Gaspra is a main-belt asteroid about 19 km by 11 km in size.
(5535) Annefrank is shown here in an image from the Stardust probe, taken 2 November 2002 from 3,300 km away.
Annefrank is a very dark main belt asteroid about 6 km across.
www.johnstonsarchive.net /astro/gallery-2.html   (312 words)

  
 SPACE.com -- Stardust Prepares to Make History
A NASA spacecraft is preparing to not only get close and personal with a comet this week, but also fly through object's tail and steal pieces of it for scientists on Earth.
In November 2002 the spacecraft was able to test onboard instruments it would use during the comet rendezvous when it swung past Asteroid 5535 Annefrank.
Mission controllers even had a chance to test the Aerogel system by scooping up interstellar dust on the opposite side of comet grain collector.
www.space.com /scienceastronomy/stardust_update_031230.html   (802 words)

  
 Extraterrestrial Capture :: Astrobiology Magazine ::
It is currently on its third giant loop around the sun, and will have traveled some 3.1 billion miles by the end of its voyage.
In November 2002 during an earlier asteroid flyby of Asteroid 5535 Annefrank, the spacecraft successfully tested systems it will use in this week's Wild 2 encounter.
During its nearly five years in space, it has captured interstellar dust using the opposite side of the collector that will gather the grains from Wild 2.
www.astrobio.net /news/article742.html   (1588 words)

  
 Astronomy Picture of the Day 11-13-02   (Site not responding. Last check: 2007-10-11)
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Annefrank, named for a holocaust victim who kept a famous diary, is a member of the main asteroid belt between Mars and Jupiter.
There are several hundred thousand asteroids that have been catalogued and given names.
www.freerepublic.com /focus/f-chat/787867/posts   (333 words)

  
 THECOMDAILY: Home
During the flyby it collected dust samples from the comet's coma and took detailed pictures of its icy nucleus.
It passed within 3300 km of the asteroid 5535 Annefrank on November 2, 2002 and took several photographs.
In March-May 2000 and July-December 2002, the spacecraft angled itself into a dust stream believed to originate outside the solar system.
www.thecomdaily.com   (1387 words)

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