AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1991HK ∴ Summary
Contact »
(12717) 1991HK  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.21571 5.986e-09 au
e 0.165115 3.308e-08
i 5.23 3.711e-06 deg
Ω 167.949 3.606e-05 deg
ω 55.053 3.769e-05 deg
M 348.982 1.214e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8499 au
Aphelion 2.5816 au
Asc. node-Earth separation 0.97657 au
Desc. node-Earth separation 1.37409 au
Earth MOID 0.84769 au
Orbital period 1204.67 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2061 (14)
Radar observations (Discarded) 0 (0)
Arc length 12026.4 days
Unobserved 34 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 221.624 deg
Declination -6.9333 deg
V Magnitude 16.63 mag
Solar Elongation 169.2 deg
Galactic Latitude 46.01 deg
Rate 0.235 deg/day
Direction -55.621 deg

More info »