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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1323067201038215 | 3.4618e-08 | |
a | 3.128918845080336 | 1.0471e-08 | au |
q | 2.71494185521672 | 1.0804e-07 | au |
i | 2.546753758355288 | 3.4759e-06 | deg |
node | 100.4774581376767 | 8.927e-05 | deg |
peri | 56.12840811034327 | 9.0242e-05 | deg |
M | 189.894505202121 | 1.3969e-05 | deg |
tp | 2459555.725081142432 (2021-Dec-07.22508114) | 7.9549e-05 | TDB |
period | 2021.57507974612 5.53 | 1.0148e-05 2.778e-08 | d yr |
n | .1780789660531483 | 8.939e-10 | deg/d |
Q | 3.542895834943952 | 1.1856e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
8.31 |
|
n/a |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 10 |
diameter |
diameter |
130.808 |
km |
1.483 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
6.66535 |
h |
n/a |
LCDB (Rev. 2019-January); Warner et al., 2009 |
Published Reference List: [Behrend, R. (1977) 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] [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Oey, J. (2006) Minor Planet Bull. 33, 96-99.] [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Wang, X.; Muinonen, K.; Wang, Y.; Behrend, R.; et al. (2015) Astron. Astrophys. 581, A55.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.076 |
|
0.009 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.695 |
|
0.014 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=2.86, mean=10.12, max.=13.28) deg. |
U-B |
UB |
0.341 |
|
0.021 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=2.86, mean=10.58, max.=13.28) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
C |
|
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) |
|
171 Ophelia Discovered 1877-Jan-13 by Borrelly, A. at Marseille |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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