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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .109919888089345 | 5.134e-08 | |
| a | 2.722817717202535 | 1.9413e-08 | au |
| q | 2.423525898439946 | 1.3674e-07 | au |
| i | 1.454070319857866 | 5.3838e-06 | deg |
| node | 26.61790372307446 | 0.00021277 | deg |
| peri | 333.0941938641009 | 0.0002148 | deg |
| M | 109.8986601705543 | 2.6736e-05 | deg |
| tp | 2458699.524859597185
(2019-Aug-04.02485960) | 0.00012169 | TDB |
| period | 1641.066872563528
4.49 | 1.7551e-05
4.805e-08 | d
yr |
| n | .2193694882388554 | 2.3461e-09 | deg/d |
| Q | 3.022109535965123 | 2.1547e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.0 |
|
n/a |
MPO454854 |
|
| diameter |
diameter |
2.709 |
km |
0.661 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.042 |
|
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 249974 (2001 UZ229) Discovered 2001-Oct-17 by NEAT at Palomar |
| Reference: 20100923/Numbers.arc | Last Updated: 2010-09-27 |
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