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AstDyS ∴ Objects ∴ 1999DA4 ∴ Summary
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(164781) 1999DA4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.01102 2.026e-08 au
e 0.226697 4.913e-08
i 1.573 4.867e-06 deg
Ω 123.781 0.0002673 deg
ω 19.072 0.0002677 deg
M 306.837 1.731e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3284 au
Aphelion 3.6936 au
Asc. node-Earth separation 1.36877 au
Desc. node-Earth separation 2.61897 au
Earth MOID 1.34163 au
Orbital period 1908.4 days
Date of orbit computation  apr 23 20:24
Observational summary
Optical observations (Discarded) 429 (5)
Radar observations (Discarded) 0 (0)
Arc length 11307 days
Unobserved 170 days

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Ephemeris at epoch 60425 MJD
Right Ascension 59.5694 deg
Declination 19.5325 deg
V Magnitude 21.6 mag
Solar Elongation -26.55 deg
Galactic Latitude -25 deg
Rate 0.415 deg/day
Direction 77.72 deg

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