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AstDyS ∴ Objects ∴ 1998WA21 ∴ Summary
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(134485) 1998WA21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55785 1.349e-08 au
e 0.292554 5.055e-08
i 6.223 4.385e-06 deg
Ω 40.16 4.973e-05 deg
ω 334.407 5.141e-05 deg
M 91.231 1.979e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8095 au
Aphelion 3.3062 au
Asc. node-Earth separation 0.85917 au
Desc. node-Earth separation 2.17001 au
Earth MOID 0.81333 au
Orbital period 1494.21 days
Date of orbit computation  feb 22 02:18
Observational summary
Optical observations (Discarded) 548 (1)
Radar observations (Discarded) 0 (0)
Arc length 9210.96 days
Unobserved 78 days

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Ephemeris at epoch 60419 MJD
Right Ascension 123.935 deg
Declination 26.5378 deg
V Magnitude 21.57 mag
Solar Elongation -91.08 deg
Galactic Latitude 29.34 deg
Rate 0.201 deg/day
Direction 114.044 deg

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