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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 41 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1886067613335027 | 1.5536e-08 | |
a | 3.103302324574431 | 1.3285e-08 | au |
q | 2.517998523697717 | 5.336e-08 | au |
i | 1.645439108981142 | 2.8417e-07 | deg |
node | 50.17940204182915 | 4.0481e-06 | deg |
peri | 328.5650792109782 | 6.1754e-06 | deg |
M | 186.5790723244691 | 7.4928e-06 | deg |
tp | 2460162.408054407830 (2023-Aug-05.90805441) | 4.5609e-05 | TDB |
period | 1996.799949281315 5.47 | 1.2822e-05 3.51e-08 | d yr |
n | .1802884661177854 | 1.1577e-09 | deg/d |
Q | 3.688606125451145 | 1.579e-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 |
11.70 |
|
n/a |
E2021B10 |
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diameter |
diameter |
21.501 |
km |
0.229 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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rotation period |
rot_per |
30.55 |
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. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
geometric albedo |
albedo |
0.096 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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2203 van Rhijn (1935 SQ1) Discovered 1935-Sep-28 by Van Gent, H. at Johannesburg (LS) |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1935 SQ1 = 1951 PP = 1957 UX = 1974 XQ |
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