[ 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1223868698170927 | 3.1421e-08 | |
a | 2.785158907678859 | 1.2664e-08 | au |
q | 2.44429202702485 | 8.9803e-08 | au |
i | 5.834902606002805 | 4.6755e-06 | deg |
node | 13.54407650291172 | 3.3202e-05 | deg |
peri | 76.15127133836431 | 3.8532e-05 | deg |
M | 275.1980977270239 | 1.8787e-05 | deg |
tp | 2459000.423098888804 (2020-May-30.92309889) | 8.9162e-05 | TDB |
period | 1697.748655879495 4.65 | 1.1579e-05 3.17e-08 | d yr |
n | .2120455220231095 | 1.4462e-09 | deg/d |
Q | 3.126025788332868 | 1.4214e-08 | 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 |
MPO452631 |
|
|
32823 (1991 TM8) Discovered 1991-Oct-01 by Spacewatch at Kitt Peak |
Reference: 20020128/Numbers.arc | Last Updated: 2004-04-19 |
|
[ show close-approach data ]
Alternate Designations
1991 TM8 = 1998 HC130 = 2000 SD244 |
|
|