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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2096118339956474 | 4.476e-08 | |
| a | 2.695013891491548 | 1.5883e-08 | au |
| q | 2.130107087052258 | 1.2644e-07 | au |
| i | 12.03263021382281 | 4.3239e-06 | deg |
| node | 277.8160632372887 | 2.3423e-05 | deg |
| peri | 113.5092969210409 | 2.6319e-05 | deg |
| M | 278.9891027912709 | 1.289e-05 | deg |
| tp | 2459364.147729518181
(2021-May-29.64772952) | 5.982e-05 | TDB |
| period | 1615.994725860644
4.42 | 1.4285e-05
3.911e-08 | d
yr |
| n | .2227730042919984 | 1.9693e-09 | deg/d |
| Q | 3.259920695930838 | 1.9212e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.1 |
|
n/a |
MPO474590 |
|
| diameter |
diameter |
5.509 |
km |
0.472 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.133 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 71048 (1999 XA87) Discovered 1999-Dec-07 by LINEAR at Socorro |
| Reference: 20031109/Numbers.arc | Last Updated: 2004-04-19 |
|
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