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2009HD21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.77013 8.551e-09 au
e 0.688071 2.437e-08
i 18.65 6.428e-06 deg
Ω 179.191 1.642e-05 deg
ω 134.295 1.756e-05 deg
M 60.561 5.841e-06 deg

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Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8641 au
Aphelion distance 4.6762 au
Asc. node-Earth separation 1.81218 au
Desc. node-Earth separation -0.01789 au
Earth MOID 0.01204 au
Orbital period 1684.02 days
Date of orbit computation   feb 26 10:36
Observational summary
Optical observations (Discarded) 218 (1)
Radar observations (Discarded) 0 (0)
Arc length 5406 days
Unobserved 104 days

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Ephemeris
(Epoch 60424 MJD)
Right Ascension 82.6992 deg
Declination 7.50421 deg
V Magnitude 24.52 mag
Solar Elongation -50.38 deg
Galactic Latitude -14.16 deg
Rate 0.288 deg/day
Direction 77.814 deg

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