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AstDyS ∴ Objects ∴ 1999RR21 ∴ Summary
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(33751) 1999RR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.2403 2.042e-08 au
e 0.126017 3.009e-08
i 2.604 3.374e-06 deg
Ω 111.808 9.012e-05 deg
ω 167.141 9.176e-05 deg
M 138.965 1.59e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.832 au
Aphelion 3.6486 au
Asc. node-Earth separation 2.65276 au
Desc. node-Earth separation 1.82342 au
Earth MOID 1.81539 au
Orbital period 2130.47 days
Date of orbit computation  feb 22 01:57
Observational summary
Optical observations (Discarded) 1926 (9)
Radar observations (Discarded) 0 (0)
Arc length 11068 days
Unobserved 130 days

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Ephemeris at epoch 60419 MJD
Right Ascension 58.7307 deg
Declination 18.8604 deg
V Magnitude 20.63 mag
Solar Elongation -31.5 deg
Galactic Latitude -26.04 deg
Rate 0.3 deg/day
Direction 76.886 deg

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