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AstDyS ∴ Objects ∴ 2001HS21 ∴ Summary
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(108198) 2001HS21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70236 1.255e-08 au
e 0.136855 4.013e-08
i 5.645 5.267e-06 deg
Ω 208.802 3.933e-05 deg
ω 48.046 4.367e-05 deg
M 28.811 1.847e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3325 au
Aphelion 3.0722 au
Asc. node-Earth separation 1.42502 au
Desc. node-Earth separation 1.92449 au
Earth MOID 1.3223 au
Orbital period 1622.61 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 726 (3)
Radar observations (Discarded) 0 (0)
Arc length 11362.1 days
Unobserved 320 days

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Ephemeris at epoch 60427 MJD
Right Ascension 325.826 deg
Declination -8.00342 deg
V Magnitude 20.88 mag
Solar Elongation 71.6 deg
Galactic Latitude -41.62 deg
Rate 0.359 deg/day
Direction 67.006 deg

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