AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1989AA ∴ Summary
Contact »
(27713) 1989AA  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.93126 4.789e-09 au
e 0.083078 2.481e-08
i 18.121 3.546e-06 deg
Ω 264.494 8.638e-06 deg
ω 249.582 2.329e-05 deg
M 5.218 2.17e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7708 au
Aphelion 2.0917 au
Asc. node-Earth separation 0.95935 au
Desc. node-Earth separation 0.88048 au
Earth MOID 0.8454 au
Orbital period 980.305 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2560 (68)
Radar observations (Discarded) 0 (0)
Arc length 17435.4 days
Unobserved 37 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 131.101 deg
Declination -7.38153 deg
V Magnitude 18.09 mag
Solar Elongation -98.07 deg
Galactic Latitude 21.04 deg
Rate 0.38 deg/day
Direction 83.046 deg

More info »