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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 110 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2118430623272183 | 1.4451e-08 | |
a | 3.125202611055595 | 8.1315e-09 | au |
q | 2.463150119536559 | 4.5219e-08 | au |
i | 13.42716274968008 | 3.2676e-07 | deg |
node | 202.2019046143413 | 3.9761e-06 | deg |
peri | 107.4319805403833 | 5.8377e-06 | deg |
M | 146.1423671146975 | 7.5383e-06 | deg |
tp | 2458381.301155025153 (2018-Sep-19.80115503) | 3.9726e-05 | TDB |
period | 2017.974595686467 5.52 | 7.8759e-06 2.156e-08 | d yr |
n | .1783966957609477 | 6.9626e-10 | deg/d |
Q | 3.787255102574631 | 9.8541e-09 | 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 |
8.18 |
|
n/a |
E2020-QM5 |
IRAS observations used: 11 |
diameter |
diameter |
128.678 |
km |
0.533 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
25.676 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pilcher, F.; Jardine, D. (2009) Minor Planet Bull. 36, 52-54.] [Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
geometric albedo |
albedo |
0.065 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.689 |
|
0.031 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=7.19, mean=11.61, max.=17.67) deg. |
U-B |
UB |
0.326 |
|
0.041 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=7.19, mean=11.08, max.=17.67) 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 |
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137 Meliboea (A874 HA) Discovered 1874-Apr-21 by Palisa, J. at Pola |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
A874 HA = 1958 UE = 1962 GB = A923 FA |
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