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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 36 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2386461569225435 | 2.7252e-08 | |
| a | 2.914591472192732 | 1.2722e-08 | au |
| q | 2.219035418354718 | 8.1369e-08 | au |
| i | 8.651938087647514 | 4.1789e-06 | deg |
| node | 199.7222358299281 | 2.0187e-05 | deg |
| peri | 100.934674635662 | 2.2167e-05 | deg |
| M | 290.5656373671876 | 9.943e-06 | deg |
| tp | 2459551.039460711897
(2021-Dec-02.53946071) | 5.1049e-05 | TDB |
| period | 1817.460419758324
4.98 | 1.1899e-05
3.258e-08 | d
yr |
| n | .1980785914709883 | 1.2969e-09 | deg/d |
| Q | 3.610147526030746 | 1.5757e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.00 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
6.610 |
km |
0.297 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.336 |
|
0.066 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 4862 Loke (1987 SJ5) Discovered 1987-Sep-30 by Jensen, P. at Brorfelde |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| 1987 SJ5 = 1976 GW3 = 1981 JZ1 = 1982 SN6 |
|
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