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AstDyS ∴ Objects ∴ Darwin ∴ Summary
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(1991) Darwin  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.24877 4.833e-09 au
e 0.207144 3.737e-08
i 5.914 4.36e-06 deg
Ω 328.429 3.271e-05 deg
ω 345.617 3.377e-05 deg
M 35.37 1.027e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.783 au
Aphelion 2.7146 au
Asc. node-Earth separation 0.78074 au
Desc. node-Earth separation 1.70284 au
Earth MOID 0.76898 au
Orbital period 1231.73 days
Date of orbit computation  Oct 31 04:56
Observational summary
Optical observations (Discarded) 1980 (12)
Radar observations (Discarded) 0 (0)
Arc length 23374 days
Unobserved 54 days

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Ephemeris at epoch 58464 MJD
Right Ascension 359.126 deg
Declination 6.89735 deg
V Magnitude 17.24 mag
Solar Elongation -102.23 deg
Galactic Latitude -53.47 deg
Rate 0.298 deg/day
Direction 71.486 deg

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