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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 43 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03871301068182094 | 3.4921e-08 | |
a | 2.698111409094914 | 8.3195e-09 | au |
q | 2.59365939329388 | 9.3654e-08 | au |
i | 7.000539126425262 | 4.1117e-06 | deg |
node | 203.0778908143135 | 2.5765e-05 | deg |
peri | 165.5370840448886 | 5.3863e-05 | deg |
M | 43.58213717958731 | 4.6318e-05 | deg |
tp | 2459004.527890721979 (2020-Jun-04.02789072) | 0.00020842 | TDB |
period | 1618.781544589589 4.43 | 7.4871e-06 2.05e-08 | d yr |
n | .2223894886887106 | 1.0286e-09 | deg/d |
Q | 2.802563424895949 | 8.6415e-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 |
11.46 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
35.825 |
km |
0.240 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
14.775 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
geometric albedo |
albedo |
0.037 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
SMASSII spectral type |
spec_B |
Xc |
|
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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1201 Strenua (1931 RK) Discovered 1931-Sep-14 by Reinmuth, K. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1931 RK = 1931 TC = A907 GV = A909 UC = A916 FB |
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