[ hide orbit diagram ]
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 | .2082281861018859 | 7.2498e-08 | |
| a | 2.665672238398203 | 1.9774e-08 | au |
| q | 2.110604143454391 | 1.9495e-07 | au |
| i | 3.382840310337066 | 6.1124e-06 | deg |
| node | 116.4465054356466 | 0.00012693 | deg |
| peri | 213.5775484647333 | 0.0001277 | deg |
| M | 38.40089357422055 | 1.3963e-05 | deg |
| tp | 2458830.930640388329
(2019-Dec-13.43064039) | 6.1108e-05 | TDB |
| period | 1589.675754347098
4.35 | 1.7689e-05
4.843e-08 | d
yr |
| n | .2264612761536751 | 2.5199e-09 | deg/d |
| Q | 3.220740333342015 | 2.3892e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.1 |
|
n/a |
MPO436904 |
|
| diameter |
diameter |
4.015 |
km |
0.691 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| geometric albedo |
albedo |
0.039 |
|
0.011 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 183071 (2002 RO21) Discovered 2002-Sep-04 by LONEOS at Anderson Mesa |
| Reference: 20080420/Numbers.arc | Last Updated: 2008-04-23 |
|
[ show close-approach data ]
|
