[ hide orbit diagram ]
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.
[ revert to old Java-based viewer ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1089895524707115 | 3.623e-08 | |
| a | 2.287889369008963 | 8.4974e-09 | au |
| q | 2.038533330578178 | 8.0983e-08 | au |
| i | 5.964960530532145 | 4.1856e-06 | deg |
| node | 246.5274652335426 | 4.7152e-05 | deg |
| peri | 219.8442128476255 | 5.3129e-05 | deg |
| M | 272.0831603653448 | 2.4388e-05 | deg |
| tp | 2459309.188552713291
(2021-Apr-04.68855271) | 8.6001e-05 | TDB |
| period | 1264.011302482948
3.46 | 7.0419e-06
1.928e-08 | d
yr |
| n | .284807579879102 | 1.5867e-09 | deg/d |
| Q | 2.537245407439749 | 9.4235e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ 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 |
|
|
