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AstDyS ∴ Objects ∴ 1997AF21 ∴ Summary
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(8938) 1997AF21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.14415 5.482e-09 au
e 0.203198 3.025e-08
i 2.482 3.239e-06 deg
Ω 2.069 7.566e-05 deg
ω 339.71 7.636e-05 deg
M 350.623 1.408e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7085 au
Aphelion 2.5798 au
Asc. node-Earth separation 0.72426 au
Desc. node-Earth separation 1.5432 au
Earth MOID 0.70043 au
Orbital period 1146.78 days
Date of orbit computation  apr 23 19:47
Observational summary
Optical observations (Discarded) 2557 (15)
Radar observations (Discarded) 0 (0)
Arc length 30587.9 days
Unobserved 283 days

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Ephemeris at epoch 60427 MJD
Right Ascension 0.93798 deg
Declination -0.30146 deg
V Magnitude 18.83 mag
Solar Elongation 36.16 deg
Galactic Latitude -60.83 deg
Rate 0.652 deg/day
Direction 65.468 deg

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