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AstDyS ∴ Objects ∴ 1997QP4 ∴ Summary
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(90921) 1997QP4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.23088 7.726e-09 au
e 0.034856 3.829e-08
i 6.438 4.474e-06 deg
Ω 311.074 3.727e-05 deg
ω 88.933 7.915e-05 deg
M 288.237 6.986e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1531 au
Aphelion 2.3086 au
Asc. node-Earth separation 1.21226 au
Desc. node-Earth separation 1.2449 au
Earth MOID 1.17056 au
Orbital period 1217.07 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 1349 (3)
Radar observations (Discarded) 0 (0)
Arc length 9429.7 days
Unobserved 311 days

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Ephemeris at epoch 60425 MJD
Right Ascension 350.592 deg
Declination -2.09893 deg
V Magnitude 20.46 mag
Solar Elongation 44.45 deg
Galactic Latitude -57.12 deg
Rate 0.482 deg/day
Direction 63.304 deg

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