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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 17 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2110485200306383 | 4.8756e-08 | |
| a | 2.357238429954889 | 1.0203e-08 | au |
| q | 1.859746747953564 | 1.1499e-07 | au |
| i | 3.199354385090557 | 5.2041e-06 | deg |
| node | 42.31256955582438 | 8.4167e-05 | deg |
| peri | 331.7605753255251 | 8.4709e-05 | deg |
| M | 358.6111899795037 | 1.071e-05 | deg |
| tp | 2459005.599693048312
(2020-Jun-05.09969305) | 3.9341e-05 | TDB |
| period | 1321.915503415217
3.62 | 8.5822e-06
2.35e-08 | d
yr |
| n | .2723320810368945 | 1.7681e-09 | deg/d |
| Q | 2.854730111956214 | 1.2356e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.2 |
|
n/a |
MPO436474 |
|
| diameter |
diameter |
1.580 |
km |
0.185 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.214 |
|
0.095 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 101397 (1998 UG39) Discovered 1998-Oct-28 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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