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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1136181682029076 | 4.9408e-08 | |
| a | 2.275738149808847 | 7.1761e-09 | au |
| q | 2.017172949918092 | 1.1192e-07 | au |
| i | 9.276790256719483 | 5.0514e-06 | deg |
| node | 221.8034798992677 | 2.0408e-05 | deg |
| peri | 168.88102768 | 2.4778e-05 | deg |
| M | 230.6075954787258 | 1.5235e-05 | deg |
| tp | 2459651.200608631464
(2022-Mar-12.70060863) | 5.3831e-05 | TDB |
| period | 1253.954741065579
3.43 | 5.9311e-06
1.624e-08 | d
yr |
| n | .2870917013273391 | 1.3579e-09 | deg/d |
| Q | 2.534303349699603 | 7.9914e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.12 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
2.519 |
km |
0.305 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.305 |
|
0.078 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 7840 Hendrika (1994 TL3) Discovered 1994-Oct-05 by Aikman, G. C. L. at Dominion |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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