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AstDyS ∴ Objects ∴ 1997HR9 ∴ Summary
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(9443) 1997HR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42902 7.251e-09 au
e 0.15146 4.023e-08
i 1.767 3.899e-06 deg
Ω 57.996 0.0001146 deg
ω 301.833 0.0001153 deg
M 273.699 1.229e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0611 au
Aphelion 2.7969 au
Asc. node-Earth separation 1.20989 au
Desc. node-Earth separation 1.56835 au
Earth MOID 1.05833 au
Orbital period 1382.75 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 1951 (6)
Radar observations (Discarded) 0 (0)
Arc length 15966.9 days
Unobserved 320 days

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Ephemeris at epoch 60425 MJD
Right Ascension 287.203 deg
Declination -23.4457 deg
V Magnitude 19.49 mag
Solar Elongation 109.2 deg
Galactic Latitude -14.08 deg
Rate 0.163 deg/day
Direction 88.656 deg

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