AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007HJ81 ∴ Summary
Contact »
(309211) 2007HJ81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.18833 1.065e-08 au
e 0.159428 3.966e-08
i 3.75 4.691e-06 deg
Ω 37.59 7.051e-05 deg
ω 311.597 7.212e-05 deg
M 319.66 1.968e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8394 au
Aphelion 2.5372 au
Asc. node-Earth separation 0.93637 au
Desc. node-Earth separation 1.37859 au
Earth MOID 0.83585 au
Orbital period 1182.41 days
Date of orbit computation  Jun 5 01:43
Observational summary
Optical observations (Discarded) 324 (1)
Radar observations (Discarded) 0 (0)
Arc length 6364.91 days
Unobserved 400 days

More info »
Ephemeris at epoch 60477 MJD
Right Ascension 0.58805 deg
Declination -4.18546 deg
V Magnitude 21.39 mag
Solar Elongation 86.16 deg
Galactic Latitude -64.24 deg
Rate 0.455 deg/day
Direction 68.267 deg

More info »