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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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2534003964471717 | 4.2827e-08 | |
| a | 2.413926259100382 | 9.9202e-09 | au |
| q | 1.802236388050107 | 1.0281e-07 | au |
| i | 21.44321155402645 | 4.9503e-06 | deg |
| node | 211.5970954616114 | 1.1813e-05 | deg |
| peri | 292.042537440678 | 1.4703e-05 | deg |
| M | 34.58360971388274 | 7.5532e-06 | deg |
| tp | 2458868.901103938356
(2020-Jan-20.40110394) | 2.873e-05 | TDB |
| period | 1369.885994381151
3.75 | 8.4444e-06
2.312e-08 | d
yr |
| n | .2627955913679013 | 1.62e-09 | deg/d |
| Q | 3.025616130150656 | 1.2434e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.6 |
|
n/a |
MPO459360 |
|
| diameter |
diameter |
3.584 |
km |
1.250 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.181 |
|
0.115 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 78905 Seanokeefe | Discovered 2003 Sept. 16 by the Near-Earth Tracking (NEAT) project at Palomar Observatory. |
| Named in honor of Sean O'Keefe (b. 1956), for his vision and leadership in advancing the spirit of exploration during his tenure as the tenth NASA administrator, 2001-2004. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20050407/MPCPages.arc | Last Updated: 2005-04-15 |
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