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AstDyS ∴ Objects ∴ 1999RJ21 ∴ Summary
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(40420) 1999RJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59712 1.028e-08 au
e 0.040906 3.233e-08
i 13.364 3.887e-06 deg
Ω 165.814 1.445e-05 deg
ω 157.436 5.017e-05 deg
M 340.934 4.776e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4909 au
Aphelion 2.7034 au
Asc. node-Earth separation 1.7026 au
Desc. node-Earth separation 1.4915 au
Earth MOID 1.48412 au
Orbital period 1528.75 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 2063 (12)
Radar observations (Discarded) 0 (0)
Arc length 9182.5 days
Unobserved 254 days

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Ephemeris at epoch 60398 MJD
Right Ascension 320.382 deg
Declination -7.53567 deg
V Magnitude 19.84 mag
Solar Elongation 48.52 deg
Galactic Latitude -36.67 deg
Rate 0.416 deg/day
Direction 73.699 deg

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