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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 17 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .3098499822669289 | 6.4824e-08 | |
| a | 2.55870275975212 | 1.7445e-08 | au |
| q | 1.765888755016583 | 1.7276e-07 | au |
| i | 13.76575875462038 | 6.0839e-06 | deg |
| node | 85.65797462944727 | 3.1704e-05 | deg |
| peri | 306.8520613846835 | 3.5303e-05 | deg |
| M | 109.4673860785862 | 1.8927e-05 | deg |
| tp | 2458545.919889036551
(2019-Mar-03.41988904) | 7.4685e-05 | TDB |
| period | 1494.955217340795
4.09 | 1.5289e-05
4.186e-08 | d
yr |
| n | .2408098890349123 | 2.4628e-09 | deg/d |
| Q | 3.351516764487656 | 2.2851e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.1 |
|
n/a |
MPO469021 |
|
| diameter |
diameter |
3.303 |
km |
0.116 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.077 |
|
0.020 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 101491 Grahamcrombie | Discovered 1998 Dec. 1 by I. P. Griffin at Cocoa. |
| Graham William Crombie (1963-2019) was a New Zealand-born chartered accountant. As Chairman of the Otago Museum Trust Board between 2011 and 2019, he championed the construction of the world's southernmost planetarium, which opened in December 2015. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC batch dated 2019-12-12 | Last Updated: 2019-12-13 |
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