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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 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06198288683751892 | 4.4004e-08 | |
| a | 3.071902043637324 | 1.9907e-08 | au |
| q | 2.881496686890608 | 1.3962e-07 | au |
| i | 9.154583545637216 | 5.8095e-06 | deg |
| node | 308.2987811643051 | 2.2783e-05 | deg |
| peri | 142.9475280569379 | 5.4324e-05 | deg |
| M | 220.7727428160006 | 5.0455e-05 | deg |
| tp | 2459761.056071934433
(2022-Jun-30.55607193) | 0.00027923 | TDB |
| period | 1966.5702782218
5.38 | 1.9116e-05
5.234e-08 | d
yr |
| n | .1830598194159208 | 1.7794e-09 | deg/d |
| Q | 3.262307400384039 | 2.1141e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.8 |
|
n/a |
MPO351259 |
|
| diameter |
diameter |
6.930 |
km |
0.176 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
33.379 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.146 |
|
0.017 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 59942 (1999 RZ197) Discovered 1999-Sep-08 by LINEAR at Socorro |
| Reference: 20030614/Numbers.arc | Last Updated: 2004-04-19 |
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