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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1383147789722352 | 3.7848e-08 | |
| a | 2.76745587074685 | 1.4175e-08 | au |
| q | 2.384675823669085 | 1.088e-07 | au |
| i | 9.468342992473174 | 4.745e-06 | deg |
| node | 192.04399400201 | 2.4176e-05 | deg |
| peri | 101.2824750549414 | 3.067e-05 | deg |
| M | 331.6124817397396 | 1.7404e-05 | deg |
| tp | 2459133.100270296904
(2020-Oct-10.60027030) | 8.126e-05 | TDB |
| period | 1681.587550881859
4.60 | 1.292e-05
3.537e-08 | d
yr |
| n | .2140834117207925 | 1.6448e-09 | deg/d |
| Q | 3.150235917824615 | 1.6136e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.9 |
|
n/a |
MPO468690 |
|
|
| 74295 (1998 SR147) Discovered 1998-Sep-20 by Elst, E. W. at La Silla |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
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