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AstDyS ∴ Objects ∴ 1998QR89 ∴ Summary
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(74150) 1998QR89  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56392 8.877e-09 au
e 0.277995 3.487e-08
i 9.61 5.663e-06 deg
Ω 306.525 1.591e-05 deg
ω 112.417 2.124e-05 deg
M 40.281 9.74e-06 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8512 au
Aphelion 3.2767 au
Asc. node-Earth separation 1.631 au
Desc. node-Earth separation 1.15502 au
Earth MOID 0.88897 au
Orbital period 1499.53 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 2138 (51)
Radar observations (Discarded) 0 (0)
Arc length 15041.1 days
Unobserved 40 days

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Ephemeris at epoch 60426 MJD
Right Ascension 109.907 deg
Declination 20.9 deg
V Magnitude 19.55 mag
Solar Elongation -72.63 deg
Galactic Latitude 15.35 deg
Rate 0.421 deg/day
Direction 103.713 deg

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