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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .04537357735408257 | 4.1843e-08 | |
a | 2.978332501584964 | 1.2583e-08 | au |
q | 2.843194901438121 | 1.2414e-07 | au |
i | 6.556866088196098 | 4.7968e-06 | deg |
node | 180.3202137525103 | 3.2993e-05 | deg |
peri | 32.73099073161646 | 5.4585e-05 | deg |
M | 124.8378705819392 | 4.3974e-05 | deg |
tp | 2457949.468429330222 (2017-Jul-14.96842933) | 0.00022857 | TDB |
period | 1877.405985448038 5.14 | 1.1897e-05 3.257e-08 | d yr |
n | .1917539428287734 | 1.2152e-09 | deg/d |
Q | 3.113470101731808 | 1.3153e-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 |
9.6 |
|
n/a |
MPO416708 |
|
diameter |
diameter |
30.819 |
km |
0.430 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
11.654 |
h |
n/a |
LCDB (Rev. 2019-January); Warner et al., 2009 |
Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Fleenor, M.L. (2007) Minor Planet Bull. 34, 129.] |
geometric albedo |
albedo |
0.252 |
|
0.035 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.871 |
|
0.028 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=6.07, mean=11.69, max.=14.51) deg. |
U-B |
UB |
0.386 |
|
0.067 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=6.07, mean=10.28, max.=14.50) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
SMASSII spectral type |
spec_B |
S |
|
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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533 Sara (A904 HC) Discovered 1904-Apr-19 by Dugan, R. S. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A904 HC = A901 VB = A911 UB |
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