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AstDyS ∴ Objects ∴ 1981DA1 ∴ Summary
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(15679) 1981DA1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7259 1.004e-08 au
e 0.092554 3.106e-08
i 11.48 3.464e-06 deg
Ω 234.473 1.768e-05 deg
ω 12.172 2.68e-05 deg
M 153.715 2.068e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4736 au
Aphelion 2.9782 au
Asc. node-Earth separation 1.46729 au
Desc. node-Earth separation 1.98341 au
Earth MOID 1.46163 au
Orbital period 1643.85 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2804 (9)
Radar observations (Discarded) 0 (0)
Arc length 25481 days
Unobserved 101 days

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Ephemeris at epoch 60419 MJD
Right Ascension 40.6782 deg
Declination 16.7784 deg
V Magnitude 19.6 mag
Solar Elongation -14.36 deg
Galactic Latitude -38.46 deg
Rate 0.379 deg/day
Direction 76.75 deg

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