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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 31 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2289480308941663 | 1.6438e-08 | |
a | 1.740444392810741 | 3.351e-09 | au |
q | 1.341973076195929 | 2.8077e-08 | au |
i | 23.44134374184404 | 3.7479e-07 | deg |
node | 343.4422023973653 | 2.2433e-06 | deg |
peri | 280.7057665416926 | 3.1325e-06 | deg |
M | 255.8429551880134 | 4.0132e-06 | deg |
tp | 2459443.146931553343 (2021-Aug-16.64693155) | 9.8196e-06 | TDB |
period | 838.6652627950768 2.30 | 2.4221e-06 6.631e-09 | d yr |
n | .4292535007354465 | 1.2397e-09 | deg/d |
Q | 2.138915709425553 | 4.1182e-09 | 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 |
15.1 |
|
n/a |
MPO502178 |
|
diameter |
diameter |
4.747 |
km |
1.056 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
rotation period |
rot_per |
123.171 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
geometric albedo |
albedo |
0.066 |
|
0.027 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
SMASSII spectral type |
spec_B |
B |
|
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) |
|
2629 Rudra (1980 RB1) Discovered 1980-Sep-13 by Kowal, C. at Palomar |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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