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(3959) Irwin  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2593 4.364e-09 au
e 0.187385 3.101e-08
i 3.285 3.332e-06 deg
Ω 210.791 4.859e-05 deg
ω 198.277 4.933e-05 deg
M 153.458 7.986e-06 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8359 au
Aphelion 2.6827 au
Asc. node-Earth separation 1.64701 au
Desc. node-Earth separation 0.85673 au
Earth MOID 0.84662 au
Orbital period 1240.39 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 3355 (20)
Radar observations (Discarded) 0 (0)
Arc length 25345.8 days
Unobserved 34 days

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Ephemeris at epoch 60425 MJD
Right Ascension 213.775 deg
Declination -13.0869 deg
V Magnitude 17.38 mag
Solar Elongation 178.92 deg
Galactic Latitude 44.95 deg
Rate 0.262 deg/day
Direction -66.574 deg

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