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(137229) 1999RD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2883 6.07e-09 au
e 0.212904 4.726e-08
i 5.499 3.635e-06 deg
Ω 341.098 4.979e-05 deg
ω 86.492 5.113e-05 deg
M 342.981 9.39e-06 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8011 au
Aphelion 2.7755 au
Asc. node-Earth separation 1.14825 au
Desc. node-Earth separation 1.22275 au
Earth MOID 0.82531 au
Orbital period 1264.35 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 906 (8)
Radar observations (Discarded) 0 (0)
Arc length 8832.77 days
Unobserved 166 days

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Ephemeris at epoch 60426 MJD
Right Ascension 43.0201 deg
Declination 20.0129 deg
V Magnitude 20.57 mag
Solar Elongation -11.12 deg
Galactic Latitude -34.54 deg
Rate 0.629 deg/day
Direction 72.515 deg

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