AstDyS-2

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AstDyS ∴ Objects ∴ 1987AN ∴ Summary
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(161997) 1987AN  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34811 1.212e-08 au
e 0.185978 4.935e-08
i 3.007 4.856e-06 deg
Ω 136.121 8.732e-05 deg
ω 221.51 8.824e-05 deg
M 219.112 1.498e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9114 au
Aphelion 2.7848 au
Asc. node-Earth separation 1.64784 au
Desc. node-Earth separation 0.97634 au
Earth MOID 0.90842 au
Orbital period 1314.25 days
Date of orbit computation  apr 23 20:23
Observational summary
Optical observations (Discarded) 583 (3)
Radar observations (Discarded) 0 (0)
Arc length 13559.4 days
Unobserved 68 days

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Ephemeris at epoch 60425 MJD
Right Ascension 207.514 deg
Declination -6.39545 deg
V Magnitude 20.24 mag
Solar Elongation -171.54 deg
Galactic Latitude 53.6 deg
Rate 0.252 deg/day
Direction -68.835 deg

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