AstDyS-2

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AstDyS ∴ Objects ∴ 1997HV8 ∴ Summary
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(20221) 1997HV8  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09335 1.623e-08 au
e 0.103967 4.511e-08
i 1.814 4.113e-06 deg
Ω 64.194 0.0001366 deg
ω 118.172 0.0001381 deg
M 4.921 2.338e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7717 au
Aphelion 3.415 au
Asc. node-Earth separation 2.23242 au
Desc. node-Earth separation 1.9032 au
Earth MOID 1.7751 au
Orbital period 1987.21 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1221 (15)
Radar observations (Discarded) 0 (0)
Arc length 10304.9 days
Unobserved 440 days

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Ephemeris at epoch 60397 MJD
Right Ascension 188.262 deg
Declination -0.99705 deg
V Magnitude 18.25 mag
Solar Elongation 177.59 deg
Galactic Latitude 61.53 deg
Rate 0.206 deg/day
Direction -68.382 deg

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