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(181883) 1999RO21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31896 1.358e-08 au
e 0.221404 1.007e-07
i 25.035 1.382e-05 deg
Ω 355.732 1.705e-05 deg
ω 28.312 3.194e-05 deg
M 322.377 2.874e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8055 au
Aphelion 2.8324 au
Asc. node-Earth separation 0.84143 au
Desc. node-Earth separation 1.74454 au
Earth MOID 0.8264 au
Orbital period 1289.85 days
Date of orbit computation  feb 22 02:29
Observational summary
Optical observations (Discarded) 209 (1)
Radar observations (Discarded) 0 (0)
Arc length 10236.9 days
Unobserved 753 days

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Ephemeris at epoch 60419 MJD
Right Ascension 356.964 deg
Declination -8.3355 deg
V Magnitude 21.2 mag
Solar Elongation 35.72 deg
Galactic Latitude -65.93 deg
Rate 0.572 deg/day
Direction 56.221 deg

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