AstDyS-2

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AstDyS ∴ Objects ∴ 1998DD ∴ Summary
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(42606) 1998DD  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34075 6.882e-09 au
e 0.210059 4.274e-08
i 7.305 3.81e-06 deg
Ω 58.846 3.516e-05 deg
ω 92.434 3.645e-05 deg
M 107.384 8.771e-06 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8491 au
Aphelion 2.8324 au
Asc. node-Earth separation 1.27076 au
Desc. node-Earth separation 1.20548 au
Earth MOID 0.87728 au
Orbital period 1308.07 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1724 (13)
Radar observations (Discarded) 0 (0)
Arc length 15870.3 days
Unobserved 291 days

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Ephemeris at epoch 60425 MJD
Right Ascension 311.38 deg
Declination -23.8229 deg
V Magnitude 20.28 mag
Solar Elongation 87.54 deg
Galactic Latitude -34.95 deg
Rate 0.225 deg/day
Direction 87.677 deg

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