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AstDyS ∴ Objects ∴ 2009HV21 ∴ Summary
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(257285) 2009HV21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44733 1.972e-08 au
e 0.209667 6.922e-08
i 11.078 7.195e-06 deg
Ω 19.053 3.811e-05 deg
ω 219.053 4.312e-05 deg
M 302.132 2.907e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9342 au
Aphelion 2.9605 au
Asc. node-Earth separation 1.79748 au
Desc. node-Earth separation 1.01066 au
Earth MOID 0.93701 au
Orbital period 1398.42 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 208 (6)
Radar observations (Discarded) 0 (0)
Arc length 6885.6 days
Unobserved 89 days

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Ephemeris at epoch 60419 MJD
Right Ascension 143.25 deg
Declination 23.5943 deg
V Magnitude 21.1 mag
Solar Elongation -108.63 deg
Galactic Latitude 45.32 deg
Rate 0.177 deg/day
Direction 150.386 deg

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