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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 50 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2452114852535252 | 3.3168e-08 | |
| a | 2.590517380060064 | 6.1407e-09 | au |
| q | 1.955292765720464 | 8.5763e-08 | au |
| i | 12.36667491021032 | 3.9882e-06 | deg |
| node | 184.6319594565397 | 1.8109e-05 | deg |
| peri | 134.1222620399709 | 1.97e-05 | deg |
| M | 356.1459528070712 | 8.8109e-06 | deg |
| tp | 2459016.803945688417
(2020-Jun-16.30394569) | 3.7298e-05 | TDB |
| period | 1522.923865229015
4.17 | 5.415e-06
1.483e-08 | d
yr |
| n | .2363873915298214 | 8.4052e-10 | deg/d |
| Q | 3.225741994399663 | 7.6465e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.0 |
|
n/a |
MPO492758 |
IRAS observations used: 5 |
| diameter |
diameter |
47.804 |
km |
0.368 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
7.0259 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Bartczak, P.; et al. (2016) Proc. Polish Ast. Soc. 123, 51-57.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.231 |
|
0.023 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.832 |
|
0.053 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=6.17, mean=18.02, max.=29.88) deg. |
| U-B |
UB |
0.208 |
|
0.037 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=29.88 deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
| SMASSII spectral type |
spec_B |
S |
|
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) |
|
| 737 Arequipa (A912 XC) Discovered 1912-Dec-07 by Metcalf, J. H. at Winchester |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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