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AstDyS ∴ Objects ∴ 1997AM21 ∴ Summary
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(18552) 1997AM21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76886 1.103e-08 au
e 0.108997 2.577e-08
i 10.192 2.96e-06 deg
Ω 113.941 1.878e-05 deg
ω 345.005 2.497e-05 deg
M 347.102 1.621e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4671 au
Aphelion 3.0707 au
Asc. node-Earth separation 1.49231 au
Desc. node-Earth separation 2.04167 au
Earth MOID 1.48583 au
Orbital period 1682.87 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3518 (236)
Radar observations (Discarded) 0 (0)
Arc length 9878.78 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 61.8405 deg
Declination 16.2531 deg
V Magnitude 19.14 mag
Solar Elongation -55.62 deg
Galactic Latitude -25.67 deg
Rate 0.402 deg/day
Direction 71.852 deg

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