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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 27 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06432491722257966 | 4.7012e-08 | |
| a | 3.367829997259014 | 2.9501e-08 | au |
| q | 3.151194611465607 | 1.5884e-07 | au |
| i | 12.47387286515829 | 4.1706e-06 | deg |
| node | 134.0033020758256 | 2.2494e-05 | deg |
| peri | 260.9432612762401 | 4.3839e-05 | deg |
| M | 48.6713191754068 | 3.5051e-05 | deg |
| tp | 2458695.293144216898
(2019-Jul-30.79314422) | 0.00022139 | TDB |
| period | 2257.478735802076
6.18 | 2.9663e-05
8.121e-08 | d
yr |
| n | .1594699406424721 | 2.0954e-09 | deg/d |
| Q | 3.584465383052422 | 3.1399e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.7 |
|
n/a |
MPO412553 |
|
| diameter |
diameter |
8.965 |
km |
0.079 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
84.3476 |
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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.092 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 56987 (2000 SR211) Discovered 2000-Sep-25 by LINEAR at Socorro |
| Reference: 20030318/Numbers.arc | Last Updated: 2004-04-19 |
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