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AstDyS ∴ Objects ∴ 1997QR4 ∴ Summary
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(523906) 1997QR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56541 2.428e-08 au
e 0.163392 1.189e-07
i 12.059 7.04e-06 deg
Ω 308.044 5.104e-05 deg
ω 39.561 5.775e-05 deg
M 153.15 2.736e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1462 au
Aphelion 2.9846 au
Asc. node-Earth separation 1.20266 au
Desc. node-Earth separation 1.87252 au
Earth MOID 1.15166 au
Orbital period 1500.84 days
Date of orbit computation  feb 22 03:41
Observational summary
Optical observations (Discarded) 139 (0)
Radar observations (Discarded) 0 (0)
Arc length 9610.75 days
Unobserved 119 days

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Ephemeris at epoch 60423 MJD
Right Ascension 132.756 deg
Declination 11.9824 deg
V Magnitude 22.69 mag
Solar Elongation -98.8 deg
Galactic Latitude 31.91 deg
Rate 0.124 deg/day
Direction 110.155 deg

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