AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009AC4 ∴ Summary
Contact »
(428984) 2009AC4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06912 4.37e-08 au
e 0.06402 9.733e-08
i 10.75 1.113e-05 deg
Ω 38.618 4.337e-05 deg
ω 304.019 9.061e-05 deg
M 62.914 7.98e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8726 au
Aphelion 3.2656 au
Asc. node-Earth separation 1.95903 au
Desc. node-Earth separation 2.16305 au
Earth MOID 1.88318 au
Orbital period 1963.9 days
Date of orbit computation  apr 23 21:21
Observational summary
Optical observations (Discarded) 172 (0)
Radar observations (Discarded) 0 (0)
Arc length 6836.94 days
Unobserved 115 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 48.2181 deg
Declination 20.5861 deg
V Magnitude 22.31 mag
Solar Elongation -16.61 deg
Galactic Latitude -31.28 deg
Rate 0.38 deg/day
Direction 71.13 deg

More info »