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AstDyS ∴ Objects ∴ 1997EP31 ∴ Summary
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(333871) 1997EP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71996 1.431e-08 au
e 0.072833 4.417e-08
i 7.858 7.451e-06 deg
Ω 2.423 3.247e-05 deg
ω 271.419 6.255e-05 deg
M 285.916 5.435e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5219 au
Aphelion 2.9181 au
Asc. node-Earth separation 1.69847 au
Desc. node-Earth separation 1.71384 au
Earth MOID 1.52123 au
Orbital period 1638.48 days
Date of orbit computation  apr 23 21:00
Observational summary
Optical observations (Discarded) 383 (0)
Radar observations (Discarded) 0 (0)
Arc length 9843.28 days
Unobserved 65 days

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Ephemeris at epoch 60427 MJD
Right Ascension 184.732 deg
Declination -5.4823 deg
V Magnitude 20.35 mag
Solar Elongation -149.48 deg
Galactic Latitude 56.46 deg
Rate 0.158 deg/day
Direction -79.475 deg

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