AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DA9 ∴ Summary
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(200143) 1998DA9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37504 1.173e-08 au
e 0.093864 4.196e-08
i 5.225 4.414e-06 deg
Ω 136.018 4.953e-05 deg
ω 266.774 5.729e-05 deg
M 149.659 2.548e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1521 au
Aphelion 2.598 au
Asc. node-Earth separation 1.38101 au
Desc. node-Earth separation 1.32821 au
Earth MOID 1.1682 au
Orbital period 1336.92 days
Date of orbit computation  apr 23 20:31
Observational summary
Optical observations (Discarded) 696 (3)
Radar observations (Discarded) 0 (0)
Arc length 9521.19 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 197.235 deg
Declination 1.00132 deg
V Magnitude 20.2 mag
Solar Elongation -159.14 deg
Galactic Latitude 63.54 deg
Rate 0.214 deg/day
Direction -69.402 deg

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