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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 118 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1968861521665233 | 3.7965e-08 | |
a | 3.097501430495932 | 1.1168e-08 | au |
q | 2.487646292515286 | 1.1904e-07 | au |
i | 5.178169950327772 | 4.3916e-06 | deg |
node | 61.0653526320379 | 4.6295e-05 | deg |
peri | 331.6203716516098 | 4.7481e-05 | deg |
M | 47.6485260162056 | 1.1085e-05 | deg |
tp | 2458936.950212718016 (2020-Mar-28.45021272) | 6.1179e-05 | TDB |
period | 1991.203744460961 5.45 | 1.0769e-05 2.948e-08 | d yr |
n | .1807951602147352 | 9.7776e-10 | deg/d |
Q | 3.707356568476578 | 1.3367e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
7.85 |
|
n/a |
E2021B10 |
IRAS observations used: 5 |
diameter |
diameter |
75.949 |
km |
2.626 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
14.38 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Debehogne, H.; Lagerkvist, C.-I.; Zappala, V. (1982) Astron. Astrophys. Suppl. Ser. 50, 277-281.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.228 |
|
0.036 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.841 |
|
0.013 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=5.56, mean=8.29, max.=16.51) deg. |
U-B |
UB |
0.476 |
|
0.010 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=5.56, mean=7.87, max.=16.51) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
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245 Vera (A885 CA) Discovered 1885-Feb-06 by Pogson, N. R. at Madras |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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