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AstDyS ∴ Objects ∴ 2011HW21 ∴ Summary
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(389607) 2011HW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35831 1.845e-08 au
e 0.102501 6.139e-08
i 10.843 7.42e-06 deg
Ω 61.152 3.212e-05 deg
ω 202.667 4.714e-05 deg
M 167.18 3.527e-05 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1166 au
Aphelion 2.6 au
Asc. node-Earth separation 1.59062 au
Desc. node-Earth separation 1.11949 au
Earth MOID 1.10524 au
Orbital period 1322.82 days
Date of orbit computation  apr 23 21:12
Observational summary
Optical observations (Discarded) 273 (1)
Radar observations (Discarded) 0 (0)
Arc length 8098.96 days
Unobserved 155 days

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Ephemeris at epoch 60453 MJD
Right Ascension 77.0999 deg
Declination 26.1274 deg
V Magnitude 22.61 mag
Solar Elongation -16.69 deg
Galactic Latitude -8.42 deg
Rate 0.422 deg/day
Direction 81.558 deg

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