NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1989DA ∴ Summary
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(168318) 1989DA  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.16264 5.437e-09 au
e 0.54261 1.211e-07
i 6.493 2.548e-05 deg
Ω 349.192 6.465e-05 deg
ω 139.797 7.116e-05 deg
M 294.891 1.524e-05 deg

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Other useful info
Absolute Magnitude (H)    18.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9892 au
Aphelion 3.3361 au
Asc. node-Earth separation 1.60017 au
Desc. node-Earth separation 0.08573 au
Earth MOID 0.04415 au
Orbital period 1161.65 days
Date of orbit computation   Nov 18 11:27
Observational summary
Optical observations (Discarded) 60 (1)
Radar observations (Discarded) 0 (0)
Arc length 6990 days
Unobserved 3299 days

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Ephemeris at epoch 57873 MJD
Right Ascension 25.7264 deg
Declination 13.1365 deg
V Magnitude 22.83 mag
Solar Elongation 11.25 deg
Galactic Latitude -47.84 deg
Rate 0.604 deg/day
Direction 66.978 deg

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