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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 94 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3051012266712959 | 4.6788e-08 | |
a | 2.747268313940356 | 7.0742e-09 | au |
q | 1.909073381361971 | 1.2993e-07 | au |
i | 18.3690218106343 | 5.9323e-06 | deg |
node | 358.2052823687437 | 1.2506e-05 | deg |
peri | 47.81236771863738 | 1.4969e-05 | deg |
M | 26.32019691461564 | 8.0539e-06 | deg |
tp | 2458878.899131718019 (2020-Jan-30.39913172) | 3.6929e-05 | TDB |
period | 1663.221317208471 4.55 | 6.4242e-06 1.759e-08 | d yr |
n | .2164474422467236 | 8.3603e-10 | deg/d |
Q | 3.585463246518742 | 9.2325e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
8.5 |
|
n/a |
MPO492748 |
IRAS observations used: 6 |
diameter |
diameter |
132.842 |
km |
29.191 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
rotation period |
rot_per |
9.93 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.] [Schober, H.J.; Schroll, A. (1982) Astron. Astrophys. 107, 402-405.] [Di Martino, M.; Zappala, V.; De Sanctis, G.; Cacciatori, S. (1987) Icarus 69, 338-353.] [Brinsfield, J.W. (2007) Minor Planet Bull. 34, 58-59.] [Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.] [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2011) http://www.minorplanetobserver.com/PDO/PDOLightcurves.htm] [Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.029 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
B-V |
BV |
0.713 |
|
0.019 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=7.52, mean=11.27, max.=19.66) deg. |
U-B |
UB |
0.363 |
|
0.018 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=7.52, mean=11.27, max.=19.66) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
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36 Atalante (A855 TA) Discovered 1855-Oct-05 by Goldschmidt, H. at Paris |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A855 TA = A901 SB = A912 HC |
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