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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 114 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1676604145413731 | 3.4062e-08 | |
| a | 3.128634486855064 | 1.2254e-08 | au |
| q | 2.604086331840508 | 1.0415e-07 | au |
| i | 2.236571823312742 | 3.8861e-06 | deg |
| node | 125.1225060351305 | 0.00010142 | deg |
| peri | 277.1761892047909 | 0.00010212 | deg |
| M | 310.1937667651191 | 1.3492e-05 | deg |
| tp | 2459280.148095771671
(2021-Mar-06.64809577) | 7.6226e-05 | TDB |
| period | 2021.299502876214
5.53 | 1.1875e-05
3.251e-08 | d
yr |
| n | .1781032447134811 | 1.0464e-09 | deg/d |
| Q | 3.65318264186962 | 1.4309e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
8.7 |
|
n/a |
MPO492748 |
IRAS observations used: 15 |
| diameter |
diameter |
106.921 |
km |
0.658 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.2213 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durkee, R.I. (2005) Minor Planet Bull. 32, 84.]
[Gonclaves, R.M.D.; Behrend, R. (2006) Minor Planet Bull. 33, 7.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.048 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.708 |
|
0.046 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg. |
| U-B |
UB |
0.378 |
|
0.031 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg. |
| Tholen spectral type |
spec_T |
BU |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
| 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) |
|
| 62 Erato (A860 RD) Discovered 1860-Sep-14 by Lesser, O. and Forster, W. at Berlin |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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Alternate Designations
| A860 RD = 1935 FW = 1953 OS = 2002 JN104 = A906 BE = A907 GE = A910 VA |
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