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AstDyS ∴ Objects ∴ 2001ER1 ∴ Summary
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(252187) 2001ER1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30576 8.705e-09 au
e 0.235735 1.216e-07
i 7.226 4.57e-06 deg
Ω 57.472 5.497e-05 deg
ω 124.991 5.592e-05 deg
M 198.345 1.042e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7622 au
Aphelion 2.8493 au
Asc. node-Earth separation 1.53093 au
Desc. node-Earth separation 0.90647 au
Earth MOID 0.77587 au
Orbital period 1278.85 days
Date of orbit computation  apr 23 20:43
Observational summary
Optical observations (Discarded) 625 (1)
Radar observations (Discarded) 0 (0)
Arc length 8278.93 days
Unobserved 188 days

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Ephemeris at epoch 60425 MJD
Right Ascension 22.6821 deg
Declination 5.88864 deg
V Magnitude 22.69 mag
Solar Elongation 12.24 deg
Galactic Latitude -55.64 deg
Rate 0.39 deg/day
Direction 66.76 deg

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