AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1989SD8 ∴ Summary
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(100016) 1989SD8  ▹ 
SUMMARY
Keplerian elements at epoch
58800.0 MJD
Value 1-σ variation Units
a 2.52811 9.992e-09 au
e 0.257848 1.285e-07
i 4.58 1.224e-05 deg
Ω 331.225 6.645e-05 deg
ω 67.089 7.279e-05 deg
M 163.697 3.063e-05 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8762 au
Aphelion 3.18 au
Asc. node-Earth separation 1.13423 au
Desc. node-Earth separation 1.63606 au
Earth MOID 0.88879 au
Orbital period 1468.23 days
Date of orbit computation  Oct 21 18:25
Observational summary
Optical observations (Discarded) 1026 (13)
Radar observations (Discarded) 0 (0)
Arc length 10787.9 days
Unobserved 223 days

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Ephemeris at epoch 58809 MJD
Right Ascension 213.125 deg
Declination -16.5601 deg
V Magnitude 21.58 mag
Solar Elongation 22.8 deg
Galactic Latitude 42.09 deg
Rate 0.342 deg/day
Direction 111.065 deg

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