AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DD15 ∴ Summary
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(16903) 1998DD15  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61035 7.068e-09 au
e 0.25085 2.701e-08
i 11.404 3.713e-06 deg
Ω 179.467 1.51e-05 deg
ω 269.108 1.726e-05 deg
M 116.144 8.724e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9555 au
Aphelion 3.2652 au
Asc. node-Earth separation 1.45995 au
Desc. node-Earth separation 1.43353 au
Earth MOID 1.01065 au
Orbital period 1540.44 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2613 (57)
Radar observations (Discarded) 0 (0)
Arc length 16878.6 days
Unobserved 326 days

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Ephemeris at epoch 60420 MJD
Right Ascension 239.421 deg
Declination -7.62493 deg
V Magnitude 19.18 mag
Solar Elongation 148.77 deg
Galactic Latitude 33.09 deg
Rate 0.186 deg/day
Direction -56.51 deg

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