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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 123 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04271144969475527 | 9.0086e-09 | |
| a | 2.700345093312512 | 5.5975e-09 | au |
| q | 2.585009439701015 | 2.3727e-08 | au |
| i | 5.06599621001497 | 6.257e-07 | deg |
| node | 161.0965478382677 | 1.1015e-05 | deg |
| peri | 31.55664625184332 | 3.3759e-05 | deg |
| M | 71.05691534695552 | 2.989e-05 | deg |
| tp | 2458880.587522081672
(2020-Feb-01.08752208) | 0.00013474 | TDB |
| period | 1620.79217044893
4.44 | 5.0395e-06
1.38e-08 | d
yr |
| n | .2221136099764639 | 6.9062e-10 | deg/d |
| Q | 2.815680746924009 | 5.8365e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.04 |
|
n/a |
E2021B10 |
IRAS observations used: 7 |
| diameter |
diameter |
106.517 |
km |
0.741 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.895 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Wang, X.-B. (2002) Earth, Moon, and Planets 91, 25-30.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2006) Minor Planet Bull. 33, 100-101.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2016) Minor Planet Bull. 43, 304-306.]
[Pilcher, F. (2019) Minor Planet Bull. 46, 360-363.]
[Franco, L.; Marchini, A.; Scarfi, G.; Papini, R.; et al. (2020) Minor Planet Bull. 47, 270-272.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 344-346.] |
| geometric albedo |
albedo |
0.044 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.690 |
|
0.043 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=4.43, mean=8.43, max.=13.31) deg. |
| U-B |
UB |
0.370 |
|
0.025 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=4.43, mean=8.43, max.=13.31) deg. |
| Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
| SMASSII spectral type |
spec_B |
Ch |
|
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) |
|
| 58 Concordia (A860 FA) Discovered 1860-Mar-24 by Luther, R. at Dusseldorf |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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