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AstDyS ∴ Objects ∴ 1981QD4 ∴ Summary
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(16394) 1981QD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58322 1.039e-08 au
e 0.055704 2.723e-08
i 13.658 3.18e-06 deg
Ω 328.418 1.275e-05 deg
ω 282.663 4.276e-05 deg
M 170.935 4.394e-05 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4393 au
Aphelion 2.7271 au
Asc. node-Earth separation 1.53295 au
Desc. node-Earth separation 1.6192 au
Earth MOID 1.46497 au
Orbital period 1516.49 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3907 (100)
Radar observations (Discarded) 0 (0)
Arc length 15520 days
Unobserved 57 days

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Ephemeris at epoch 60425 MJD
Right Ascension 54.7751 deg
Declination 29.9605 deg
V Magnitude 18.88 mag
Solar Elongation -26.45 deg
Galactic Latitude -20.25 deg
Rate 0.407 deg/day
Direction 79.749 deg

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