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AstDyS ∴ Objects ∴ 2001RA4 ∴ Summary
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(139788) 2001RA4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77279 1.299e-08 au
e 0.205962 4.269e-08
i 12.56 3.478e-06 deg
Ω 313.057 2.047e-05 deg
ω 97.669 2.577e-05 deg
M 262.059 1.13e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2017 au
Aphelion 3.3439 au
Asc. node-Earth separation 1.71594 au
Desc. node-Earth separation 1.59922 au
Earth MOID 1.25437 au
Orbital period 1686.45 days
Date of orbit computation  feb 22 02:19
Observational summary
Optical observations (Discarded) 1517 (10)
Radar observations (Discarded) 0 (0)
Arc length 8023.91 days
Unobserved 305 days

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Ephemeris at epoch 60419 MJD
Right Ascension 317.799 deg
Declination -20.3053 deg
V Magnitude 20.43 mag
Solar Elongation 75 deg
Galactic Latitude -39.51 deg
Rate 0.269 deg/day
Direction 68.439 deg

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