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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1470828432217971 | 6.9557e-08 | |
| a | 2.55399415072702 | 2.882e-08 | au |
| q | 2.178345429466251 | 1.7174e-07 | au |
| i | 12.49373991532116 | 8.6632e-06 | deg |
| node | 2.390308026824638 | 2.3265e-05 | deg |
| peri | 248.3037511068349 | 3.4696e-05 | deg |
| M | 157.3705830019995 | 2.4941e-05 | deg |
| tp | 2458348.797589639147
(2018-Aug-18.29758964) | 0.00010278 | TDB |
| period | 1490.830517714522
4.08 | 2.5234e-05
6.909e-08 | d
yr |
| n | .2414761407969354 | 4.0873e-09 | deg/d |
| Q | 2.929642871987788 | 3.3059e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.7 |
|
n/a |
MPO440418 |
|
| diameter |
diameter |
2.270 |
km |
0.549 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.197 |
|
0.060 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 300419 (2007 RO321) Discovered 2007-Sep-14 by LINEAR at Socorro |
| Reference: 20111012/Numbers.arc | Last Updated: 2011-10-13 |
|
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