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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .02368674389539388 | 6.5549e-08 | |
| a | 3.12211971350566 | 3.9567e-08 | au |
| q | 3.048166863441091 | 1.9621e-07 | au |
| i | 10.54874318943172 | 4.8261e-06 | deg |
| node | 159.9585691700597 | 3.5588e-05 | deg |
| peri | 61.53122825658446 | 0.0001419 | deg |
| M | 99.31396443732928 | 0.00013155 | deg |
| tp | 2458840.620610551870
(2019-Dec-23.12061055) | 0.00074224 | TDB |
| period | 2014.989345507476
5.52 | 3.8305e-05
1.049e-07 | d
yr |
| n | .1786609943137609 | 3.3963e-09 | deg/d |
| Q | 3.196072563570228 | 4.0504e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.72 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
3.975 |
km |
0.866 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.059 |
|
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 295097 (2008 EY159) Discovered 2008-Mar-03 by PMO NEO Survey Program at Purple Mountain |
| Reference: 20110912/Numbers.arc | Last Updated: 2011-09-14 |
|
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|
