AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997HV8 ∴ Summary
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(20221) 1997HV8  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.09625 2.473e-08 au
e 0.098042 7.127e-08
i 1.819 5.193e-06 deg
Ω 64.356 0.0001933 deg
ω 118.57 0.000195 deg
M 2.496 2.968e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7927 au
Aphelion 3.3998 au
Asc. node-Earth separation 2.23062 au
Desc. node-Earth separation 1.9143 au
Earth MOID 1.79399 au
Orbital period 1990 days
Date of orbit computation  Oct 31 05:09
Observational summary
Optical observations (Discarded) 856 (13)
Radar observations (Discarded) 0 (0)
Arc length 8596.81 days
Unobserved 285 days

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Ephemeris at epoch 58534 MJD
Right Ascension 233.598 deg
Declination -18.2343 deg
V Magnitude 19.89 mag
Solar Elongation 95.1 deg
Galactic Latitude 29.85 deg
Rate 0.189 deg/day
Direction 104.088 deg

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