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AstDyS ∴ Objects ∴ 2011HW28 ∴ Summary
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(281993) 2011HW28  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.23622 9.068e-09 au
e 0.15448 4.677e-08
i 5.211 6.134e-06 deg
Ω 174.923 5.48e-05 deg
ω 89.669 5.898e-05 deg
M 278.755 2.113e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8908 au
Aphelion 2.5817 au
Asc. node-Earth separation 1.18646 au
Desc. node-Earth separation 1.18045 au
Earth MOID 0.88384 au
Orbital period 1221.43 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 348 (2)
Radar observations (Discarded) 0 (0)
Arc length 10319.2 days
Unobserved 67 days

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Ephemeris at epoch 60398 MJD
Right Ascension 150.046 deg
Declination 10.6698 deg
V Magnitude 20.8 mag
Solar Elongation -139.92 deg
Galactic Latitude 46.55 deg
Rate 0.136 deg/day
Direction -48.495 deg

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