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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 42 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2501792023248983 | 3.2379e-08 | |
a | 2.761175815037854 | 8.7383e-09 | au |
q | 2.070387052152883 | 8.9927e-08 | au |
i | 12.22807861435828 | 3.9753e-06 | deg |
node | 91.52553731157153 | 1.828e-05 | deg |
peri | 292.114924034046 | 1.9893e-05 | deg |
M | 104.2627744672649 | 8.6931e-06 | deg |
tp | 2458515.137415252634 (2019-Jan-31.63741525) | 3.9759e-05 | TDB |
period | 1675.866879639878 4.59 | 7.9554e-06 2.178e-08 | d yr |
n | .2148141981762652 | 1.0197e-09 | deg/d |
Q | 3.451964577922825 | 1.0924e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.7 |
|
n/a |
MPO502158 |
IRAS observations used: 6 |
diameter |
diameter |
78.237 |
km |
0.524 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
10.8903 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [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 |
0.044 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.745 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=20.79 deg. |
U-B |
UB |
0.377 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=20.79 deg. |
Tholen spectral type |
spec_T |
C: |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
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) |
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598 Octavia (A906 GC) Discovered 1906-Apr-13 by Wolf, M. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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