[ 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 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1737626570112319 | 3.0917e-08 | |
| a | 2.538248959467896 | 8.5733e-09 | au |
| q | 2.097196076114759 | 7.7167e-08 | au |
| i | 8.024786589715003 | 3.7035e-06 | deg |
| node | 343.4411877973096 | 3.0508e-05 | deg |
| peri | 159.7669806945614 | 3.3458e-05 | deg |
| M | 68.34394007705708 | 1.4838e-05 | deg |
| tp | 2458720.087568083229
(2019-Aug-24.58756808) | 6.0771e-05 | TDB |
| period | 1477.065492218025
4.04 | 7.4835e-06
2.049e-08 | d
yr |
| n | .2437264981794466 | 1.2348e-09 | deg/d |
| Q | 2.979301842821032 | 1.0063e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.9 |
|
n/a |
MPO384749 |
|
| diameter |
diameter |
13.73 |
km |
0.9 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 4 |
| rotation period |
rot_per |
41.79 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Pilcher, F. (2011) Minor Planet Bull. 38, 76-78.] |
| geometric albedo |
albedo |
0.1354 |
|
0.019 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 4 |
|
| 603 Timandra (A906 DG) Discovered 1906-Feb-16 by Metcalf, J. H. at Taunton |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| A906 DG = 1967 EJ = 1975 EA2 = 1977 RW7 |
|
|
