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AstDyS ∴ Objects ∴ 1991RP9 ∴ Summary
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(17485) 1991RP9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52658 9.74e-09 au
e 0.110683 5.586e-08
i 16.174 5.068e-06 deg
Ω 50.397 1.115e-05 deg
ω 21.231 2.028e-05 deg
M 298.889 1.552e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2469 au
Aphelion 2.8062 au
Asc. node-Earth separation 1.27336 au
Desc. node-Earth separation 1.77262 au
Earth MOID 1.26624 au
Orbital period 1466.89 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2832 (4)
Radar observations (Discarded) 0 (0)
Arc length 25862.5 days
Unobserved 140 days

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Ephemeris at epoch 60426 MJD
Right Ascension 17.4133 deg
Declination -1.44339 deg
V Magnitude 18.1 mag
Solar Elongation 21.93 deg
Galactic Latitude -63.95 deg
Rate 0.475 deg/day
Direction 63.71 deg

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