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AstDyS ∴ Objects ∴ 1998WQ21 ∴ Summary
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(101474) 1998WQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.85618 1.598e-08 au
e 0.076942 6.202e-08
i 7.086 5.992e-06 deg
Ω 46.012 3.523e-05 deg
ω 339.592 4.412e-05 deg
M 116.34 2.573e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6364 au
Aphelion 3.0759 au
Asc. node-Earth separation 1.65835 au
Desc. node-Earth separation 2.05097 au
Earth MOID 1.64233 au
Orbital period 1763.1 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 963 (6)
Radar observations (Discarded) 0 (0)
Arc length 14721 days
Unobserved 67 days

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Ephemeris at epoch 60398 MJD
Right Ascension 138.262 deg
Declination 25.4821 deg
V Magnitude 20.36 mag
Solar Elongation -124.06 deg
Galactic Latitude 41.42 deg
Rate 0.053 deg/day
Direction -150.687 deg

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