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AstDyS ∴ Objects ∴ 1997WU21 ∴ Summary
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(15408) 1997WU21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.04616 1.442e-08 au
e 0.077287 3.111e-08
i 9.615 3.202e-06 deg
Ω 81.661 2.188e-05 deg
ω 240.818 3.158e-05 deg
M 108.214 2.294e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8107 au
Aphelion 3.2816 au
Asc. node-Earth separation 2.16277 au
Desc. node-Earth separation 1.9025 au
Earth MOID 1.81274 au
Orbital period 1941.9 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3371 (10)
Radar observations (Discarded) 0 (0)
Arc length 13621.3 days
Unobserved 38 days

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Ephemeris at epoch 60426 MJD
Right Ascension 70.876 deg
Declination 22.5028 deg
V Magnitude 19.18 mag
Solar Elongation -36.46 deg
Galactic Latitude -15.13 deg
Rate 0.337 deg/day
Direction 78.637 deg

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