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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1089895571798036 | 3.1893e-08 | |
| a | 2.287889360972594 | 6.9556e-09 | au |
| q | 2.038533312643807 | 7.3033e-08 | au |
| i | 5.964961268869232 | 4.1562e-06 | deg |
| node | 246.5275181701084 | 4.0734e-05 | deg |
| peri | 219.8441590493785 | 4.6943e-05 | deg |
| M | 272.0831685617829 | 2.228e-05 | deg |
| tp | 2459309.188522307995
(2021-Apr-04.68852231) | 7.8203e-05 | TDB |
| period | 1264.011295823058
3.46 | 5.7642e-06
1.578e-08 | d
yr |
| n | .2848075813797114 | 1.2988e-09 | deg/d |
| Q | 2.537245409301381 | 7.7137e-09 | 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 |
15.1 |
|
n/a |
MPO337488 |
|
|
| 27239 O'Dorney | Discovered 1999 Sept. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. |
| Evan Michael O'Dorney (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his mathematical-sciences project. He attends the Venture School, San Ramon, California, U.S.A. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20110319/MPCPages.arc | Last Updated: 2011-03-23 |
|
Alternate Designations
| 1999 RW211 = 1954 TH1 = 1999 UV61 = 2001 FS80 |
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