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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 6 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1984022057421995 | 0.00019163 | |
a | 39.18338221887507 | 0.011818 | au |
q | 31.40931275821058 | 0.0019791 | au |
i | 3.714185638398098 | 0.00016439 | deg |
node | 170.2861538173021 | 0.0013134 | deg |
peri | 187.7676803255544 | 0.020899 | deg |
M | 33.76471013865043 | 0.028754 | deg |
tp | 2450597.935928980633 (1997-May-29.43592898) | 3.4176 | TDB |
period | 89588.30249528328 245.28 | 40.531 0.111 | d yr |
n | .004018381752673052 | 1.818e-06 | deg/d |
Q | 46.95745167953956 | 0.014163 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2452713.5 (2003-Mar-15.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1958626913480006 | 0.00019293 | |
q | 31.48554490336105 | 0.0019364 | au |
tp | 2450810.731065389760 (1997-Dec-28.23106539) | 3.2942 | TDB |
node | 170.3385796248934 | 0.0013108 | deg |
peri | 189.1044495325087 | 0.020028 | deg |
i | 3.717125272222211 | 0.00016467 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
3.722078549375222E-8 |
3.704418120052699E-7 |
.0006055464336652362 |
5.186665682528742E-9 |
3.675359908928303E-6 |
1.157642619722343E-9 |
q |
3.704418120052699E-7 |
3.749660580731921E-6 |
.006269294788716392 |
5.224739378024562E-8 |
3.804586960432542E-5 |
1.148336867505111E-8 |
tp |
.0006055464336652362 |
.006269294788716392 |
10.85199851141122 |
8.676748765730284E-5 |
.06583503664138349 |
1.86326893182703E-5 |
node |
5.186665682528742E-9 |
5.224739378024562E-8 |
8.676748765730284E-5 |
1.718191837021494E-6 |
-1.187264817298731E-6 |
1.117933520412558E-7 |
peri |
3.675359908928303E-6 |
3.804586960432542E-5 |
.06583503664138349 |
-1.187264817298731E-6 |
.0004011129285526082 |
1.70500802314805E-9 |
i |
1.157642619722343E-9 |
1.148336867505111E-8 |
1.86326893182703E-5 |
1.117933520412558E-7 |
1.70500802314805E-9 |
2.711529830987143E-8 |
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385185 (1993 RO) Discovered 1993-Sep-14 by Jewitt, D. C., Luu, J. X. at Mauna Kea |
Reference: | Last Updated: 2014-02-19 |
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