AstDyS-2

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AstDyS ∴ Objects ∴ 1998DT21 ∴ Summary
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(16905) 1998DT21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.03206 1.243e-08 au
e 0.220697 3.693e-08
i 2.02 4.396e-06 deg
Ω 51.419 0.0001047 deg
ω 296.754 0.0001051 deg
M 136.283 1.035e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3629 au
Aphelion 3.7012 au
Asc. node-Earth separation 1.63423 au
Desc. node-Earth separation 2.19345 au
Earth MOID 1.35718 au
Orbital period 1928.44 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2080 (12)
Radar observations (Discarded) 0 (0)
Arc length 11757.8 days
Unobserved 43 days

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Ephemeris at epoch 60425 MJD
Right Ascension 128.804 deg
Declination 20.8505 deg
V Magnitude 20.26 mag
Solar Elongation -90.93 deg
Galactic Latitude 31.75 deg
Rate 0.126 deg/day
Direction 108.633 deg

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