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(21870) 1999UD1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30061 5.412e-09 au
e 0.132733 2.904e-08
i 6.619 3.537e-06 deg
Ω 44.097 2.454e-05 deg
ω 207.518 2.777e-05 deg
M 133.904 1.42e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9952 au
Aphelion 2.606 au
Asc. node-Earth separation 1.57115 au
Desc. node-Earth separation 1.01358 au
Earth MOID 0.98388 au
Orbital period 1274.57 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2488 (7)
Radar observations (Discarded) 0 (0)
Arc length 11368.1 days
Unobserved 110 days

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Ephemeris at epoch 60398 MJD
Right Ascension 25.8058 deg
Declination 9.85307 deg
V Magnitude 20.12 mag
Solar Elongation -19.05 deg
Galactic Latitude -50.94 deg
Rate 0.438 deg/day
Direction 66.366 deg

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