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(312517) 2009DD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.381 1.226e-08 au
e 0.176477 4.858e-08
i 1.226 5.376e-06 deg
Ω 168.864 0.0002507 deg
ω 103.171 0.0002513 deg
M 281.428 1.502e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9608 au
Aphelion 2.8012 au
Asc. node-Earth separation 1.41091 au
Desc. node-Earth separation 1.21144 au
Earth MOID 0.94482 au
Orbital period 1341.95 days
Date of orbit computation  feb 22 02:56
Observational summary
Optical observations (Discarded) 304 (1)
Radar observations (Discarded) 0 (0)
Arc length 7428.26 days
Unobserved 89 days

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Ephemeris at epoch 60419 MJD
Right Ascension 160.749 deg
Declination 8.45883 deg
V Magnitude 21.33 mag
Solar Elongation -129.94 deg
Galactic Latitude 54.36 deg
Rate 0.048 deg/day
Direction -59.599 deg

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