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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 34 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .141927136399882 | 1.2764e-08 | |
a | 2.238911830629668 | 5.8406e-09 | au |
q | 1.921149485856581 | 3.0937e-08 | au |
i | 3.971796450155757 | 7.8342e-07 | deg |
node | 19.97520863067195 | 6.6335e-06 | deg |
peri | 322.1283035940934 | 9.1831e-06 | deg |
M | 13.16706754178071 | 6.9378e-06 | deg |
tp | 2459155.745111835567 (2020-Nov-02.24511184) | 2.3577e-05 | TDB |
period | 1223.640699652467 3.35 | 4.7881e-06 1.311e-08 | d yr |
n | .2942040094794539 | 1.1512e-09 | deg/d |
Q | 2.556674175402754 | 6.6695e-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 |
13.67 |
|
n/a |
E2020-QM5 |
|
diameter |
diameter |
4.738 |
km |
0.196 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
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rotation period |
rot_per |
16.0758 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
geometric albedo |
albedo |
0.275 |
|
0.022 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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4097 Tsurugisan (1987 WW) Discovered 1987-Nov-18 by Seki, T. at Geisei |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1987 WW = 1949 GN = 1976 JV3 |
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