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AstDyS ∴ Objects ∴ 1997WH4 ∴ Summary
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(145773) 1997WH4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64145 1.676e-08 au
e 0.052819 5.729e-08
i 2.563 5.459e-06 deg
Ω 220.212 0.0001073 deg
ω 354.039 0.0001172 deg
M 240.634 4.623e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5019 au
Aphelion 2.781 au
Asc. node-Earth separation 1.4951 au
Desc. node-Earth separation 1.78877 au
Earth MOID 1.49501 au
Orbital period 1568.06 days
Date of orbit computation  apr 23 20:19
Observational summary
Optical observations (Discarded) 475 (2)
Radar observations (Discarded) 0 (0)
Arc length 9565 days
Unobserved 116 days

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Ephemeris at epoch 60427 MJD
Right Ascension 79.9977 deg
Declination 21.4067 deg
V Magnitude 22.18 mag
Solar Elongation -43.82 deg
Galactic Latitude -8.95 deg
Rate 0.378 deg/day
Direction 85.985 deg

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