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(81542) 2000HC21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58568 1.102e-08 au
e 0.307837 4.035e-08
i 4.439 3.649e-06 deg
Ω 163.396 4.948e-05 deg
ω 174.678 5e-05 deg
M 186.338 1.009e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7897 au
Aphelion 3.3817 au
Asc. node-Earth separation 2.38388 au
Desc. node-Earth separation 0.78398 au
Earth MOID 0.78062 au
Orbital period 1518.66 days
Date of orbit computation  apr 23 20:03
Observational summary
Optical observations (Discarded) 1696 (9)
Radar observations (Discarded) 0 (0)
Arc length 10149.8 days
Unobserved 48 days

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Ephemeris at epoch 60425 MJD
Right Ascension 151.282 deg
Declination 11.9157 deg
V Magnitude 20.42 mag
Solar Elongation -114.16 deg
Galactic Latitude 48.21 deg
Rate 0.012 deg/day
Direction 34.117 deg

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