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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 | .1846010461486798 | 1.9985e-08 | |
a | 3.105953073923588 | 1.2549e-08 | au |
q | 2.532590887188586 | 6.3481e-08 | au |
i | 2.693501272895997 | 3.8139e-07 | deg |
node | 174.6672827053278 | 1.1201e-05 | deg |
peri | 176.3440302081226 | 1.0581e-05 | deg |
M | 87.05509942880295 | 4.4025e-06 | deg |
tp | 2458717.015587659218 (2019-Aug-21.51558766) | 2.284e-05 | TDB |
period | 1999.35890699924 5.47 | 1.2117e-05 3.317e-08 | d yr |
n | .1800577168710094 | 1.0912e-09 | deg/d |
Q | 3.67931526065859 | 1.4865e-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 |
12.68 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
15.661 |
km |
0.181 |
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 |
39.001 |
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: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
geometric albedo |
albedo |
0.079 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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3621 Curtis (1981 SQ1) Discovered 1981-Sep-26 by Thomas, N. G. at Flagstaff (AM) |
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1981 SQ1 = 1970 QH1 = 1979 KS = 1981 VB1 |
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