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AstDyS ∴ Objects ∴ 2009RJ21 ∴ Summary
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(312607) 2009RJ21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.12975 7.292e-08 au
e 0.037725 8.317e-08
i 8.161 8.73e-06 deg
Ω 270.618 6.561e-05 deg
ω 280.264 0.0001363 deg
M 14.425 0.0001202 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0117 au
Aphelion 3.2478 au
Asc. node-Earth separation 2.08701 au
Desc. node-Earth separation 2.16203 au
Earth MOID 2.02244 au
Orbital period 2022.38 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 192 (1)
Radar observations (Discarded) 0 (0)
Arc length 4912.89 days
Unobserved 518 days

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Ephemeris at epoch 58580 MJD
Right Ascension 255.922 deg
Declination -27.9323 deg
V Magnitude 20.57 mag
Solar Elongation 118.97 deg
Galactic Latitude 8.2 deg
Rate 0.03 deg/day
Direction 89.362 deg

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