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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 42 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .07107969116646984 | 2.8917e-08 | |
a | 3.000471713415853 | 1.2981e-08 | au |
q | 2.787199110672525 | 8.7899e-08 | au |
i | 9.370291356961193 | 3.2529e-06 | deg |
node | 197.7273588515925 | 1.9309e-05 | deg |
peri | 94.49452723242533 | 3.2081e-05 | deg |
M | 47.2934019908357 | 2.4062e-05 | deg |
tp | 2458951.108994077846 (2020-Apr-11.60899408) | 0.00012726 | TDB |
period | 1898.378174388315 5.20 | 1.232e-05 3.373e-08 | d yr |
n | .1896355556847872 | 1.2307e-09 | deg/d |
Q | 3.21374431615918 | 1.3904e-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 |
11.54 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
17.701 |
km |
0.161 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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rotation period |
rot_per |
22.042 |
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.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
geometric albedo |
albedo |
0.122 |
|
0.024 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
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2740 Tsoj (1974 SY4) Discovered 1974-Sep-26 by Zhuravleva, L. at Nauchnyj |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1974 SY4 = 1951 GW = 1953 TY = 1958 TB1 = 1972 GD = 1974 TD1 = 1977 EB1 = 1979 SC9 |
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