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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 | .06866929269914411 | 3.8448e-08 | |
| a | 2.615369693123906 | 1.3864e-08 | au |
| q | 2.435774106150309 | 9.9574e-08 | au |
| i | 9.733946566808237 | 4.2026e-06 | deg |
| node | 154.6445372592507 | 2.0665e-05 | deg |
| peri | 346.5736003346176 | 3.9302e-05 | deg |
| M | 172.7267055491799 | 3.6325e-05 | deg |
| tp | 2458259.266487945329
(2018-May-20.76648795) | 0.0001526 | TDB |
| period | 1544.89176118573
4.23 | 1.2284e-05
3.363e-08 | d
yr |
| n | .2330260339557342 | 1.8529e-09 | deg/d |
| Q | 2.794965280097502 | 1.4816e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.0 |
|
n/a |
MPO436194 |
|
| diameter |
diameter |
2.289 |
km |
0.454 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.405 |
|
0.132 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 58918 (1998 KB54) Discovered 1998-May-23 by LINEAR at Socorro |
| Reference: 20030614/Numbers.arc | Last Updated: 2004-04-19 |
|
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