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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 | .3307187217313841 | 3.9441e-08 | |
| a | 3.181036553966144 | 2.744e-08 | au |
| q | 2.129008211057654 | 1.224e-07 | au |
| i | 24.23944766180465 | 8.1191e-06 | deg |
| node | 177.4467528118063 | 1.2013e-05 | deg |
| peri | 100.6677462660317 | 1.7104e-05 | deg |
| M | 94.360066605548 | 1.2411e-05 | deg |
| tp | 2458457.328275094955
(2018-Dec-04.82827510) | 6.827e-05 | TDB |
| period | 2072.294223606652
5.67 | 2.6813e-05
7.341e-08 | d
yr |
| n | .1737205054663766 | 2.2478e-09 | deg/d |
| Q | 4.233064896874635 | 3.6514e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.1 |
|
n/a |
MPO440241 |
|
| diameter |
diameter |
8.017 |
km |
3.223 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.040 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 243915 (2001 HE57) Discovered 2001-Apr-25 by LONEOS at Anderson Mesa |
| Reference: 20100726/Numbers.arc | Last Updated: 2010-07-28 |
|
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