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AstDyS ∴ Objects ∴ 1999RA21 ∴ Summary
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(121224) 1999RA21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.95607 5.426e-09 au
e 0.084532 5.332e-08
i 18.423 5.807e-06 deg
Ω 348.702 1.158e-05 deg
ω 22.504 2.877e-05 deg
M 336.064 2.393e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7907 au
Aphelion 2.1214 au
Asc. node-Earth separation 0.79531 au
Desc. node-Earth separation 1.11388 au
Earth MOID 0.79317 au
Orbital period 999.254 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 1002 (108)
Radar observations (Discarded) 0 (0)
Arc length 9204.08 days
Unobserved 337 days

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Ephemeris at epoch 60419 MJD
Right Ascension 3.79903 deg
Declination 2.16696 deg
V Magnitude 20.98 mag
Solar Elongation 24.76 deg
Galactic Latitude -59.43 deg
Rate 0.611 deg/day
Direction 58.023 deg

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