AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ McAlpine ∴ Summary
Contact »
(22780) McAlpine  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.24272 7.156e-09 au
e 0.09881 3.886e-08
i 4.694 4.548e-06 deg
Ω 27.162 4.296e-05 deg
ω 198.714 4.804e-05 deg
M 112.009 2.203e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0211 au
Aphelion 2.4643 au
Asc. node-Earth separation 1.45517 au
Desc. node-Earth separation 1.02692 au
Earth MOID 1.01254 au
Orbital period 1226.76 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1553 (15)
Radar observations (Discarded) 0 (0)
Arc length 16197.7 days
Unobserved 262 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 6.55156 deg
Declination 0.7922 deg
V Magnitude 20.71 mag
Solar Elongation 28.68 deg
Galactic Latitude -61.43 deg
Rate 0.457 deg/day
Direction 65.483 deg

More info »