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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 44 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1923021053417678 | 3.9286e-08 | |
| a | 3.219331452393037 | 1.6046e-08 | au |
| q | 2.600247236304885 | 1.2782e-07 | au |
| i | 16.4900101514814 | 4.0321e-06 | deg |
| node | .6641476606858213 | 1.3984e-05 | deg |
| peri | 302.9962707967267 | 1.6612e-05 | deg |
| M | 194.1231861933331 | 1.094e-05 | deg |
| tp | 2459972.642991990499
(2023-Jan-28.14299199) | 6.577e-05 | TDB |
| period | 2109.827582801772
5.78 | 1.5774e-05
4.319e-08 | d
yr |
| n | .170630056661755 | 1.2757e-09 | deg/d |
| Q | 3.838415668481189 | 1.9131e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.8 |
|
n/a |
MPO344305 |
|
| diameter |
diameter |
46.269 |
km |
0.140 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
12.363 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.] |
| geometric albedo |
albedo |
0.071 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1227 Geranium (1931 TD) Discovered 1931-Oct-05 by Reinmuth, K. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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