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AstDyS ∴ Objects ∴ 1997WH21 ∴ Summary
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(120751) 1997WH21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.4723 9.116e-09 au
e 0.207233 4.072e-08
i 2.394 4.687e-06 deg
Ω 182.854 6.897e-05 deg
ω 211.147 6.977e-05 deg
M 304.215 9.411e-06 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.96 au
Aphelion 2.9846 au
Asc. node-Earth separation 1.87961 au
Desc. node-Earth separation 1.00761 au
Earth MOID 0.96691 au
Orbital period 1419.88 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 1378 (11)
Radar observations (Discarded) 0 (0)
Arc length 9328.83 days
Unobserved 312 days

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Ephemeris at epoch 60425 MJD
Right Ascension 344.841 deg
Declination -5.12147 deg
V Magnitude 20.56 mag
Solar Elongation 50.89 deg
Galactic Latitude -55.41 deg
Rate 0.486 deg/day
Direction 67.936 deg

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