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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08443117848538108 | 3.0393e-08 | |
a | 2.216017059320225 | 5.8922e-09 | au |
q | 2.02891612745811 | 6.9154e-08 | au |
i | 3.994137276006438 | 3.0264e-06 | deg |
node | 230.6490071897408 | 4.3345e-05 | deg |
peri | 344.667240323688 | 4.6998e-05 | deg |
M | 316.4550449703817 | 1.811e-05 | deg |
tp | 2459146.244918431382 (2020-Oct-23.74491843) | 6.0732e-05 | TDB |
period | 1204.919619267256 3.30 | 4.8057e-06 1.316e-08 | d yr |
n | .2987751168156143 | 1.1916e-09 | deg/d |
Q | 2.40311799118234 | 6.3897e-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 |
13.5 |
|
n/a |
MPO358657 |
|
diameter |
diameter |
4.991 |
km |
0.044 |
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 |
2.713 |
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 |
0.257 |
|
0.029 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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3023 Heard (1981 JS) Discovered 1981-May-05 by Bowell, E. 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 JS = 1951 ET = 1964 DF = 1979 VO3 = 1979 YB2 |
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