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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.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2496786209524176 | 7.7541e-09 | |
| a | 2.885266276437183 | 9.9867e-09 | au |
| q | 2.164876971455831 | 2.0754e-08 | au |
| i | 5.993340097242724 | 3.0293e-07 | deg |
| node | 224.5217815433336 | 3.7042e-06 | deg |
| peri | 177.2239901488371 | 6.9606e-06 | deg |
| M | 57.47103562808574 | 4.1473e-06 | deg |
| tp | 2458914.725286003342
(2020-Mar-06.22528600) | 1.9948e-05 | TDB |
| period | 1790.09993320045
4.90 | 9.294e-06
2.545e-08 | d
yr |
| n | .2011060909635196 | 1.0441e-09 | deg/d |
| Q | 3.605655581418536 | 1.248e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.73 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
35.18 |
km |
3.9 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 2 |
| rotation period |
rot_per |
18.54 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.] |
| geometric albedo |
albedo |
0.0473 |
|
0.012 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 2 |
|
| 1203 Nanna (1931 TA) Discovered 1931-Oct-05 by Wolf, M. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
| 1931 TA = 1926 RH = 1978 AD |
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