AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Howard ∴ Summary
Contact »
(12561) Howard  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.10156 1.268e-08 au
e 0.140119 3.372e-08
i 0.762 3.469e-06 deg
Ω 42.94 0.0002536 deg
ω 153.891 0.0002538 deg
M 33.848 1.397e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    12.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.667 au
Aphelion 3.5362 au
Asc. node-Earth separation 2.48857 au
Desc. node-Earth separation 1.69208 au
Earth MOID 1.66562 au
Orbital period 1995.12 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 3410 (26)
Radar observations (Discarded) 0 (0)
Arc length 12397.9 days
Unobserved 81 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 261.33 deg
Declination -23.5993 deg
V Magnitude 17.55 mag
Solar Elongation 128.01 deg
Galactic Latitude 6.7 deg
Rate 0.01 deg/day
Direction -121.757 deg

More info »