AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DO31 ∴ Summary
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(264281) 1998DO31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62679 1.257e-08 au
e 0.1574 5.122e-08
i 11.805 5.598e-06 deg
Ω 345.586 2.688e-05 deg
ω 114.793 3.374e-05 deg
M 79.095 1.987e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2133 au
Aphelion 3.0403 au
Asc. node-Earth separation 1.73577 au
Desc. node-Earth separation 1.41121 au
Earth MOID 1.25947 au
Orbital period 1555.03 days
Date of orbit computation  apr 23 20:45
Observational summary
Optical observations (Discarded) 612 (2)
Radar observations (Discarded) 0 (0)
Arc length 9519.83 days
Unobserved 37 days

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Ephemeris at epoch 60426 MJD
Right Ascension 189.35 deg
Declination -16.3269 deg
V Magnitude 19.87 mag
Solar Elongation -156.4 deg
Galactic Latitude 46.41 deg
Rate 0.194 deg/day
Direction -73.349 deg

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