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2009HB21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.73658 0.01667 au
e 0.421142 0.00528
i 39.711 0.1964 deg
Ω 206.773 0.0175 deg
ω 317.394 0.28 deg
M 207.71 34.88 deg

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Other useful info
Absolute Magnitude (H)    22.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0052 au
Aphelion distance 2.4679 au
Asc. node-Earth separation 0.08679 au
Desc. node-Earth separation 1.07525 au
Earth MOID 0.08247 au
Orbital period 835.875 days
Date of orbit computation   feb 26 10:36
Observational summary
Optical observations (Discarded) 36 (1)
Radar observations (Discarded) 0 (0)
Arc length 6 days
Unobserved 5451 days

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Ephemeris
(Epoch 60398 MJD)
Right Ascension 358.48 deg
Declination 13.993 deg
V Magnitude 27.89 mag
Solar Elongation 14.05 deg
Galactic Latitude -46.57 deg
Rate 0.416 deg/day
Direction 77.282 deg

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