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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2460002674946705 | 3.6856e-08 | |
| a | 3.137659849525057 | 1.8245e-08 | au |
| q | 2.365794687234605 | 1.1963e-07 | au |
| i | 15.80357507614878 | 4.1557e-06 | deg |
| node | 353.4601558120771 | 1.5387e-05 | deg |
| peri | 84.38000693152368 | 2.1113e-05 | deg |
| M | 348.4945988903791 | 1.0039e-05 | deg |
| tp | 2459265.379348570828
(2021-Feb-19.87934857) | 5.6504e-05 | TDB |
| period | 2030.052256584702
5.56 | 1.7707e-05
4.848e-08 | d
yr |
| n | .1773353364832357 | 1.5468e-09 | deg/d |
| Q | 3.909525011815508 | 2.2733e-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 |
15.01 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
2.926 |
km |
0.216 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.298 |
|
0.042 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 100198 (1994 EA1) Discovered 1994-Mar-09 by Vagnozzi, A. at Stroncone |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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|
