AstDyS-2

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AstDyS ∴ Objects ∴ 2001HW21 ∴ Summary
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(77467) 2001HW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.75479 1.469e-08 au
e 0.084727 5.076e-08
i 9.864 5.839e-06 deg
Ω 47.24 2.745e-05 deg
ω 179.965 4.045e-05 deg
M 359.608 3.186e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5214 au
Aphelion 2.9882 au
Asc. node-Earth separation 1.99857 au
Desc. node-Earth separation 1.51207 au
Earth MOID 1.51163 au
Orbital period 1670.05 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 885 (7)
Radar observations (Discarded) 0 (0)
Arc length 8486.9 days
Unobserved 364 days

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Ephemeris at epoch 60425 MJD
Right Ascension 242.056 deg
Declination -22.5815 deg
V Magnitude 19.03 mag
Solar Elongation 150.56 deg
Galactic Latitude 21.22 deg
Rate 0.158 deg/day
Direction -107.757 deg

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