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AstDyS ∴ Objects ∴ 2011HL21 ∴ Summary
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(379768) 2011HL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.75898 2.738e-08 au
e 0.047721 8.791e-08
i 1.559 5.189e-06 deg
Ω 285.313 0.0003467 deg
ω 267.251 0.0003516 deg
M 318.868 5.937e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6273 au
Aphelion 2.8906 au
Asc. node-Earth separation 1.7427 au
Desc. node-Earth separation 1.76339 au
Earth MOID 1.62703 au
Orbital period 1673.86 days
Date of orbit computation  feb 22 03:10
Observational summary
Optical observations (Discarded) 251 (2)
Radar observations (Discarded) 0 (0)
Arc length 8830.44 days
Unobserved 82 days

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Ephemeris at epoch 60397 MJD
Right Ascension 130.212 deg
Declination 16.899 deg
V Magnitude 21.27 mag
Solar Elongation -120.69 deg
Galactic Latitude 31.59 deg
Rate 0.028 deg/day
Direction 102.116 deg

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