AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Arthurmcdonald ∴ Summary
Contact »
(229781) Arthurmcdonald  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.16257 3.004e-08 au
e 0.080731 5.225e-08
i 14.043 4.368e-06 deg
Ω 308.431 3.09e-05 deg
ω 340.379 6.535e-05 deg
M 317.868 6.234e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9073 au
Aphelion 3.4179 au
Asc. node-Earth separation 1.90512 au
Desc. node-Earth separation 2.41613 au
Earth MOID 1.89474 au
Orbital period 2054.28 days
Date of orbit computation  feb 22 02:39
Observational summary
Optical observations (Discarded) 424 (2)
Radar observations (Discarded) 0 (0)
Arc length 7637.89 days
Unobserved 312 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 257.52 deg
Declination -39.7559 deg
V Magnitude 20.55 mag
Solar Elongation 126.23 deg
Galactic Latitude 0.07 deg
Rate 0.054 deg/day
Direction -162.404 deg

More info »