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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1992623135783253 | 0.00049131 | |
| a | 39.23429562554124 | 0.029303 | au |
| q | 31.41637910757992 | 0.0042074 | au |
| i | 3.714287765316566 | 0.00025677 | deg |
| node | 170.2864632331305 | 0.001364 | deg |
| peri | 187.799151636607 | 0.026678 | deg |
| M | 33.67831159846274 | 0.053699 | deg |
| tp | 2450603.096397695330
(1997-Jun-03.59639770) | 4.3555 | TDB |
| period | 89762.97068786756
245.76 | 100.56
0.2753 | d
yr |
| n | .004010562453997057 | 4.4931e-06 | deg/d |
| Q | 47.05221214350256 | 0.035142 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Orbital Elements at Epoch 2451378.5 (1999-Jul-19.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2060404076350862 | 0.00049457 | |
| q | 31.49134409182523 | 0.0041636 | au |
| tp | 2450786.535468488069
(1997-Dec-04.03546849) | 3.8783 | TDB |
| node | 170.2823714471897 | 0.0013664 | deg |
| peri | 188.9821989747032 | 0.023722 | deg |
| i | 3.705413270231546 | 0.00025632 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
2.446000504233468E-7 |
2.049006606798815E-6 |
.001610417830225511 |
3.160890845022921E-8 |
9.859378120223851E-6 |
7.814541424900757E-9 |
| q |
2.049006606798815E-6 |
1.733520020428097E-5 |
.01433783315027711 |
2.671207894243591E-7 |
8.773584911778735E-5 |
6.541254915602028E-8 |
| tp |
.001610417830225511 |
.01433783315027711 |
15.04113906511159 |
.0002196849476385825 |
.09184834269974444 |
5.104865290274361E-5 |
| node |
3.160890845022921E-8 |
2.671207894243591E-7 |
.0002196849476385825 |
1.866936655234331E-6 |
-5.14558898135108E-7 |
1.846271270181935E-7 |
| peri |
9.859378120223851E-6 |
8.773584911778735E-5 |
.09184834269974444 |
-5.14558898135108E-7 |
.0005627388458129817 |
1.293242010048448E-7 |
| i |
7.814541424900757E-9 |
6.541254915602028E-8 |
5.104865290274361E-5 |
1.846271270181935E-7 |
1.293242010048448E-7 |
6.56987055119837E-8 |
|
| 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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