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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 22 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2431258585223298 | 2.7975e-08 | |
a | 2.570757516829835 | 1.145e-08 | au |
q | 1.945739888497849 | 6.851e-08 | au |
i | 7.397930623860805 | 4.4516e-06 | deg |
node | 263.509530934608 | 3.0412e-05 | deg |
peri | 61.62212077502795 | 3.2673e-05 | deg |
M | 61.53827850014311 | 1.2192e-05 | deg |
tp | 2458943.144804313512 (2020-Apr-03.64480431) | 5.0504e-05 | TDB |
period | 1505.532372780306 4.12 | 1.0058e-05 2.754e-08 | d yr |
n | .2391180731206586 | 1.5976e-09 | deg/d |
Q | 3.195775145161821 | 1.4234e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457946.5 (2017-Jul-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2435895615347365 | 2.7966e-08 | |
q | 1.944198025753149 | 6.8565e-08 | au |
tp | 2457438.834316251950 (2016-Feb-20.33431625) | 4.8942e-05 | TDB |
node | 263.5145845040071 | 3.0419e-05 | deg |
peri | 61.83893753990664 | 3.2681e-05 | deg |
i | 7.397768696772582 | 4.4535e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
7.820935530024405E-16 |
-1.905090583242069E-15 |
4.59954452171755E-13 |
-5.936893924586566E-15 |
1.161169339273029E-13 |
-5.674451809757889E-16 |
q |
-1.905090583242069E-15 |
4.701144434678157E-15 |
-1.161988835945627E-12 |
1.36808527561737E-14 |
-2.862468634829412E-13 |
1.382495916108933E-15 |
tp |
4.59954452171755E-13 |
-1.161988835945627E-12 |
2.395274099730238E-9 |
-1.160306633390386E-11 |
6.016493069095989E-10 |
-4.21075648226797E-12 |
node |
-5.936893924586566E-15 |
1.36808527561737E-14 |
-1.160306633390386E-11 |
9.252969286702329E-10 |
-9.204029767965428E-10 |
-7.373183593326808E-11 |
peri |
1.161169339273029E-13 |
-2.862468634829412E-13 |
6.016493069095989E-10 |
-9.204029767965428E-10 |
1.068078241255927E-9 |
7.212504742665757E-11 |
i |
-5.674451809757889E-16 |
1.382495916108933E-15 |
-4.21075648226797E-12 |
-7.373183593326808E-11 |
7.212504742665757E-11 |
1.983347031319328E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.05 |
|
n/a |
E2021B10 |
|
rotation period |
rot_per |
18.5202 |
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: [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
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66539 (1999 RX117) Discovered 1999-Sep-09 by LINEAR at Socorro |
Reference: 20030910/Numbers.arc | Last Updated: 2004-04-19 |
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