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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 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1269112144536386 | 3.4871e-08 | |
a | 2.67341308287142 | 1.2727e-08 | au |
q | 2.334126981787962 | 9.059e-08 | au |
i | 12.33741676467162 | 4.7899e-06 | deg |
node | 352.42934214 | 1.6885e-05 | deg |
peri | 232.1344494333628 | 2.6105e-05 | deg |
M | 97.63163191196413 | 1.8741e-05 | deg |
tp | 2458767.502311195181 (2019-Oct-11.00231120) | 8.3637e-05 | TDB |
period | 1596.605166963646 4.37 | 1.1401e-05 3.121e-08 | d yr |
n | .2254784134794154 | 1.6101e-09 | deg/d |
Q | 3.012699183954878 | 1.4342e-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 |
13.03 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
6.465 |
km |
0.140 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
19.2922 |
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 |
0.321 |
|
0.047 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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5502 Brashear (1984 EC) Discovered 1984-Mar-01 by Bowell, E. at Flagstaff |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1984 EC = 1986 TQ17 = 1990 RU1 |
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