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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1333035562579964 | 6.6776e-08 | |
a | 2.609502263682808 | 1.7802e-08 | au |
q | 2.261646331870597 | 1.7738e-07 | au |
i | 11.55998844504625 | 8.6745e-06 | deg |
node | 187.4929860839747 | 2.2239e-05 | deg |
peri | 52.80782875659903 | 3.5176e-05 | deg |
M | 322.6673881303669 | 2.523e-05 | deg |
tp | 2458760.169078247935 (2019-Oct-03.66907825) | 0.00010825 | TDB |
period | 1539.695866176789 4.22 | 1.5756e-05 4.314e-08 | d yr |
n | .2338124092610018 | 2.3926e-09 | deg/d |
Q | 2.957358195495017 | 2.0175e-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 |
15.9 |
|
n/a |
MPO432399 |
|
diameter |
diameter |
4.012 |
km |
0.177 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.063 |
|
0.013 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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85612 (1998 HL23) Discovered 1998-Apr-20 by LINEAR at Socorro |
Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
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