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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .0702389128528934 | 3.5768e-08 | |
| a | 2.719819251328591 | 9.1067e-09 | au |
| q | 2.5287821039589 | 9.9023e-08 | au |
| i | 8.413906991850462 | 4.0902e-06 | deg |
| node | 100.7078956588006 | 2.5291e-05 | deg |
| peri | 61.77621413986151 | 3.8631e-05 | deg |
| M | 317.1550901329517 | 2.9443e-05 | deg |
| tp | 2459195.486805775500
(2020-Dec-11.98680578) | 0.00013421 | TDB |
| period | 1638.356815243686
4.49 | 8.2285e-06
2.253e-08 | d
yr |
| n | .219732354179791 | 1.1036e-09 | deg/d |
| Q | 2.910856398698281 | 9.7464e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.1 |
|
n/a |
MPO502160 |
|
| diameter |
diameter |
29.64 |
km |
1.3 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 9 |
| rotation period |
rot_per |
23.9101 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Buchheim, R.K. (2007) Minor Planet Bull. 34, 68-71.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.1391 |
|
0.014 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 9 |
| Tholen spectral type |
spec_T |
X |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a medium resolution spectrum published by Chapman and Gaffey (1979) |
| SMASSII spectral type |
spec_B |
X |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 741 Botolphia (A913 CJ) Discovered 1913-Feb-10 by Metcalf, J. H. at Winchester |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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Alternate Designations
| A913 CJ = 1973 GN = A909 HA |
|
|
