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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 | .113643891826186 | 4.9382e-08 | |
a | 2.275590401170201 | 7.2299e-09 | au |
q | 2.016983451778908 | 1.118e-07 | au |
i | 9.277199304483437 | 5.057e-06 | deg |
node | 221.8050494616803 | 2.0442e-05 | deg |
peri | 168.9453663363134 | 2.4817e-05 | deg |
M | 173.1070397151447 | 1.5178e-05 | deg |
tp | 2458397.590960329538 (2018-Oct-06.09096033) | 5.2013e-05 | TDB |
period | 1253.832626555958 3.43 | 5.9755e-06 1.636e-08 | d yr |
n | .2871196620468014 | 1.3683e-09 | deg/d |
Q | 2.534197350561495 | 8.0516e-09 | au |
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| | 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 |
15.1 |
|
n/a |
MPO365343 |
|
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) |
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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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