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L

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RE: Pallas
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Images of Pallas from the Hubble Space Telescope
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Credit: from Britney Schmidt's presentation to the 2008 DPS meeting

Images of Pallas from the Hubble Space Telescope
These two sets of images were taken through different filters on the Hubble Space Telescope's Wide Field and Planetary Camera 2: an ultraviolet filter (top) and blue filter (bottom). They cover most of a rotation of Pallas, and reveal that it has an irregular shape and probably has some patchy albedo variations. In these images, we are looking at the southern hemisphere of Pallas, with the images centered at about 30 degrees south.

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L

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2 Pallas (Greek ) is an asteroid located in the asteroid belt region of the solar system and was the second to be discovered. It was found and named by astronomer Heinrich Wilhelm Matthäus Olbers on March 28, 1802.

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Orbital Elements at Epoch 2454200.5 (2007-Apr-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
Element Value Uncertainty (1-sigma) Units
e 0.230758828172558 3.0294e-08
a 2.77166846462974 2.4296e-09 AU
q 2.13208149764895 8.4304e-08 AU
i 34.841828581513 3.6884e-06 deg
node 173.1358033133696 4.9019e-06 deg
peri 310.3448192659582 8.2519e-06 deg
M 199.7261206001518 7.168e-06 deg
tp 2454950.861591773256
(2009-Apr-29.36159178)
3.3864e-05 JED
period 1685.428555481935
4.61
2.2161e-06
6.067e-09
d
yr
n .2135955266861257 2.8085e-10 deg/d
Q 3.411255431610538 2.9903e-09 AU
   

Asteroid 2 Pallas has just passed opposition and is currently at magnitude 8.8 in the constellation Aquarius.

2007-Sep-04 00:00      22 25 56.94 +04 00 45.9   8.83   
2007-Sep-05 00:00 22 25 11.78 +03 48 16.5 8.83
2007-Sep-06 00:00 22 24 26.81 +03 35 41.3 8.83
2007-Sep-07 00:00 22 23 42.07 +03 23 01.0 8.84
2007-Sep-08 00:00 22 22 57.61 +03 10 16.0 8.84
2007-Sep-09 00:00 22 22 13.48 +02 57 26.8 8.85
2007-Sep-10 00:00 22 21 29.72 +02 44 33.9 8.86


Pallas.kmz
Google Sky file


-- Edited by Blobrana at 16:02, 2008-01-12

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