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2009HE21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.38939 0.03005 au
e 0.858402 0.003157
i 6.626 0.1132 deg
Ω 32.261 0.7886 deg
ω 300.867 0.8249 deg
M 358.234 30.66 deg

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Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3383 au
Aphelion distance 4.4405 au
Asc. node-Earth separation -0.55705 au
Desc. node-Earth separation 0.11882 au
Earth MOID 0.01 au
Orbital period 1349.05 days
Date of orbit computation   feb 26 11:49
Observational summary
Optical observations (Discarded) 31 (0)
Radar observations (Discarded) 0 (0)
Arc length 8 days
Unobserved 5470 days

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Ephemeris
(Epoch 60419 MJD)
Right Ascension 30.2394 deg
Declination 12.6167 deg
V Magnitude 24.24 mag
Solar Elongation -3.45 deg
Galactic Latitude -46.82 deg
Rate 1.872 deg/day
Direction 65.705 deg

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