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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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04648844660508401 | 3.5008e-08 | |
| a | 3.062959051437231 | 2.3125e-08 | au |
| q | 2.920566843120933 | 1.1197e-07 | au |
| i | 11.42069555045197 | 5.1726e-06 | deg |
| node | 51.81336499602989 | 2.7099e-05 | deg |
| peri | 219.54859904 | 8.1042e-05 | deg |
| M | 265.2051770338585 | 7.8927e-05 | deg |
| tp | 2459516.075571816994
(2021-Oct-28.57557182) | 0.0004306 | TDB |
| period | 1957.988844184165
5.36 | 2.2174e-05
6.071e-08 | d
yr |
| n | .1838621303023823 | 2.0822e-09 | deg/d |
| Q | 3.20535125975353 | 2.42e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.7 |
|
n/a |
MPO337819 |
|
| diameter |
diameter |
6.239 |
km |
0.098 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.175 |
|
0.034 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 74531 (1999 GR40) Discovered 1999-Apr-12 by LINEAR at Socorro |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
|
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