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AstDyS ∴ Objects ∴ 1998QA21 ∴ Summary
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(74098) 1998QA21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56811 8.631e-09 au
e 0.11594 3.33e-08
i 15.167 3.196e-06 deg
Ω 150.631 1.406e-05 deg
ω 135.263 2.065e-05 deg
M 117.647 1.624e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2704 au
Aphelion 2.8659 au
Asc. node-Earth separation 1.77272 au
Desc. node-Earth separation 1.33008 au
Earth MOID 1.27791 au
Orbital period 1503.21 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 2128 (12)
Radar observations (Discarded) 0 (0)
Arc length 9275.79 days
Unobserved 128 days

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Ephemeris at epoch 60426 MJD
Right Ascension 53.8264 deg
Declination 7.64173 deg
V Magnitude 20.26 mag
Solar Elongation -20.7 deg
Galactic Latitude -37.26 deg
Rate 0.409 deg/day
Direction 74.531 deg

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