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AstDyS ∴ Objects ∴ 1997EF57 ∴ Summary
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(181770) 1997EF57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35997 1.245e-08 au
e 0.229133 5.418e-08
i 4.468 6.704e-06 deg
Ω 19.761 7.846e-05 deg
ω 214.962 8.076e-05 deg
M 135.702 2.535e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8192 au
Aphelion 2.9007 au
Asc. node-Earth separation 1.75582 au
Desc. node-Earth separation 0.88092 au
Earth MOID 0.81034 au
Orbital period 1324.21 days
Date of orbit computation  apr 23 20:27
Observational summary
Optical observations (Discarded) 345 (0)
Radar observations (Discarded) 0 (0)
Arc length 9691.12 days
Unobserved 216 days

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Ephemeris at epoch 60426 MJD
Right Ascension 29.3792 deg
Declination 12.6498 deg
V Magnitude 22.59 mag
Solar Elongation 4.21 deg
Galactic Latitude -47.11 deg
Rate 0.391 deg/day
Direction 68.165 deg

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