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AstDyS ∴ Objects ∴ 2001DR81 ∴ Summary
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(257989) 2001DR81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14717 2.702e-08 au
e 0.069531 5.95e-08
i 1.171 7.288e-06 deg
Ω 1.676 0.0002962 deg
ω 72.545 0.0003023 deg
M 109.412 5.765e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9283 au
Aphelion 3.366 au
Asc. node-Earth separation 2.06564 au
Desc. node-Earth separation 2.20221 au
Earth MOID 1.94389 au
Orbital period 2039.29 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 299 (2)
Radar observations (Discarded) 0 (0)
Arc length 8889.18 days
Unobserved 37 days

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Ephemeris at epoch 60425 MJD
Right Ascension 185.919 deg
Declination -2.97331 deg
V Magnitude 21.32 mag
Solar Elongation -151.66 deg
Galactic Latitude 59.16 deg
Rate 0.143 deg/day
Direction -68.107 deg

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