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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 9 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .3673662656796456 | 4.8029e-08 | |
| a | 2.212969656164588 | 9.0207e-09 | au |
| q | 1.399999257517034 | 1.0238e-07 | au |
| i | 2.290899756215913 | 7.2079e-06 | deg |
| node | 111.4703904356285 | 0.00014272 | deg |
| peri | 127.6760132696713 | 0.00014373 | deg |
| M | 134.3897021731095 | 1.8465e-05 | deg |
| tp | 2458551.625322525312
(2019-Mar-09.12532253) | 5.9327e-05 | TDB |
| period | 1202.435017548702
3.29 | 7.3522e-06
2.013e-08 | d
yr |
| n | .2993924783843207 | 1.8306e-09 | deg/d |
| Q | 3.025940054812141 | 1.2335e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.7 |
|
n/a |
MPO494659 |
|
|
| 312979 (1999 KT4) Discovered 1999-May-18 by LINEAR at Socorro |
| Reference: 20120207/Numbers.arc | Last Updated: 2012-02-09 |
|
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