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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2003WR21 ∴ Summary
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(226554) 2003WR21  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.11883 2.488e-09 au
e 0.261495 9.003e-08
i 9.274 6.95e-06 deg
Ω 85.88 3.109e-05 deg
ω 107.99 3.383e-05 deg
M 310.157 2.991e-05 deg

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Other useful info
Absolute Magnitude (H)    19.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8263 au
Aphelion 1.4114 au
Asc. node-Earth separation 0.15043 au
Desc. node-Earth separation -0.05112 au
Earth MOID 0.02929 au
Orbital period 432.259 days
Date of orbit computation   Feb 1 14:45
Observational summary
Optical observations (Discarded) 263 (4)
Radar observations (Discarded) 0 (0)
Arc length 9596 days
Unobserved 54 days

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Ephemeris at epoch 57838 MJD
Right Ascension 54.3703 deg
Declination 38.4544 deg
V Magnitude 20.79 mag
Solar Elongation -57.94 deg
Galactic Latitude -13.79 deg
Rate 0.515 deg/day
Direction 42.533 deg

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