AstDyS-2

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AstDyS ∴ Objects ∴ 1998DD12 ∴ Summary
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(18621) 1998DD12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.4222 8.129e-09 au
e 0.097938 3.305e-08
i 7.093 3.587e-06 deg
Ω 152.002 3.144e-05 deg
ω 291.049 3.757e-05 deg
M 48.49 2.12e-05 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.185 au
Aphelion 2.6594 au
Asc. node-Earth separation 1.32881 au
Desc. node-Earth separation 1.4761 au
Earth MOID 1.21324 au
Orbital period 1376.94 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1631 (7)
Radar observations (Discarded) 0 (0)
Arc length 12442.5 days
Unobserved 67 days

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Ephemeris at epoch 60427 MJD
Right Ascension 124.868 deg
Declination 19.1026 deg
V Magnitude 20.14 mag
Solar Elongation -85.8 deg
Galactic Latitude 27.67 deg
Rate 0.316 deg/day
Direction 95.764 deg

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