AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DD23 ∴ Summary
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(181789) 1998DD23  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.80558 1.866e-08 au
e 0.036937 5.566e-08
i 2.787 5.903e-06 deg
Ω 326.717 0.0001061 deg
ω 248.663 0.0001293 deg
M 129.027 7.299e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.702 au
Aphelion 2.9092 au
Asc. node-Earth separation 1.82843 au
Desc. node-Earth separation 1.77706 au
Earth MOID 1.69629 au
Orbital period 1716.46 days
Date of orbit computation  feb 22 02:29
Observational summary
Optical observations (Discarded) 537 (3)
Radar observations (Discarded) 0 (0)
Arc length 9293.1 days
Unobserved 256 days

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Ephemeris at epoch 60419 MJD
Right Ascension 0.43611 deg
Declination 1.16837 deg
V Magnitude 21.87 mag
Solar Elongation 28.25 deg
Galactic Latitude -59.28 deg
Rate 0.385 deg/day
Direction 65.323 deg

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