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AstDyS ∴ Objects ∴ 2003HW21 ∴ Summary
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(203899) 2003HW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.33586 9.712e-09 au
e 0.163154 5.609e-08
i 2.988 4.613e-06 deg
Ω 154.555 0.0001008 deg
ω 77.098 0.0001019 deg
M 297.866 1.344e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9548 au
Aphelion 2.717 au
Asc. node-Earth separation 1.20477 au
Desc. node-Earth separation 1.34965 au
Earth MOID 0.94677 au
Orbital period 1303.98 days
Date of orbit computation  feb 22 02:33
Observational summary
Optical observations (Discarded) 506 (0)
Radar observations (Discarded) 0 (0)
Arc length 11643.1 days
Unobserved 86 days

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Ephemeris at epoch 60416 MJD
Right Ascension 132.439 deg
Declination 17.8745 deg
V Magnitude 21.2 mag
Solar Elongation -103.79 deg
Galactic Latitude 33.92 deg
Rate 0.184 deg/day
Direction 99.37 deg

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