[ 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.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1548903280682489 | 4.7303e-08 | |
| a | 2.382286694482387 | 1.4499e-08 | au |
| q | 2.013293526821386 | 1.0726e-07 | au |
| i | 3.127468935415493 | 5.9592e-06 | deg |
| node | 170.8934398146557 | 9.7715e-05 | deg |
| peri | 311.5779178028006 | 0.00010209 | deg |
| M | 90.73529531761687 | 2.8782e-05 | deg |
| tp | 2458661.996455273948
(2019-Jun-27.49645527) | 0.00010575 | TDB |
| period | 1343.041598914802
3.68 | 1.2261e-05
3.357e-08 | d
yr |
| n | .2680482870306367 | 2.4472e-09 | deg/d |
| Q | 2.751279862143388 | 1.6745e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.8 |
|
n/a |
MPO368144 |
|
|
| 312090 (2007 TW99) Discovered 2007-Oct-08 by Spacewatch at Kitt Peak |
| Reference: 20120109/Numbers.arc | Last Updated: 2012-01-11 |
|
Alternate Designations
| 2007 TW99 = 2003 SB348 = 2005 ET320 = 2005 EW212 |
|
|
