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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 14 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1318652764461517 | 5.4474e-08 | |
| a | 3.210640613222878 | 4.7049e-08 | au |
| q | 2.787268601191002 | 1.7965e-07 | au |
| i | 5.35482720651314 | 5.5777e-06 | deg |
| node | 60.27777067258789 | 5.9262e-05 | deg |
| peri | 152.9552777660348 | 6.3114e-05 | deg |
| M | 209.6471824221849 | 2.5198e-05 | deg |
| tp | 2459878.096817681760
(2022-Oct-25.59681768) | 0.00016013 | TDB |
| period | 2101.289882392271
5.75 | 4.6188e-05
1.265e-07 | d
yr |
| n | .1713233395433039 | 3.7659e-09 | deg/d |
| Q | 3.634012625254755 | 5.3253e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.5 |
|
n/a |
MPO454848 |
|
| diameter |
diameter |
3.426 |
km |
0.122 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.125 |
|
0.024 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 249331 (2008 UB355) Discovered 2008-Oct-31 by Spacewatch at Kitt Peak |
| Reference: 20100824/Numbers.arc | Last Updated: 2010-08-27 |
|
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