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(12216) 1981WF9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.33808 5.322e-09 au
e 0.134589 3.597e-08
i 6.244 3.424e-06 deg
Ω 206.113 2.726e-05 deg
ω 142.39 2.935e-05 deg
M 352.111 1.013e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0234 au
Aphelion 2.6528 au
Asc. node-Earth separation 1.56605 au
Desc. node-Earth separation 1.0794 au
Earth MOID 1.02159 au
Orbital period 1305.83 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2529 (9)
Radar observations (Discarded) 0 (0)
Arc length 15273.7 days
Unobserved 225 days

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Ephemeris at epoch 60425 MJD
Right Ascension 1.39249 deg
Declination 3.688 deg
V Magnitude 19.37 mag
Solar Elongation 32.31 deg
Galactic Latitude -57.25 deg
Rate 0.552 deg/day
Direction 68.288 deg

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