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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 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2796947578014515 | 4.5853e-08 | |
| a | 2.671971078603682 | 1.4315e-08 | au |
| q | 1.924634774921142 | 1.2446e-07 | au |
| i | 27.76930000566662 | 4.9793e-06 | deg |
| node | 119.1094916319761 | 1.083e-05 | deg |
| peri | 288.5453590515429 | 1.3581e-05 | deg |
| M | 155.4517163559894 | 9.7634e-06 | deg |
| tp | 2458511.627136439076
(2019-Jan-28.12713644) | 4.0255e-05 | TDB |
| period | 1595.313559060474
4.37 | 1.282e-05
3.51e-08 | d
yr |
| n | .2256609667456311 | 1.8134e-09 | deg/d |
| Q | 3.419307382286222 | 1.8319e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.29 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
6.154 |
km |
1.186 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
| geometric albedo |
albedo |
0.032 |
|
0.023 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 100012 (1989 BC1) Discovered 1989-Jan-25 by Mrkos, A. at Klet |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
Alternate Designations
| 1989 BC1 = 1989 AC3 = 2001 VR98 |
|
|
