AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HK42 ∴ Summary
Contact »
(509921) 2009HK42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.20753 1.062e-08 au
e 0.201855 1.194e-07
i 4.629 7.325e-06 deg
Ω 84.07 0.0001382 deg
ω 127.466 0.0001417 deg
M 203.588 2.3e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7619 au
Aphelion 2.6531 au
Asc. node-Earth separation 1.43094 au
Desc. node-Earth separation 0.86993 au
Earth MOID 0.76058 au
Orbital period 1198 days
Date of orbit computation  feb 22 03:38
Observational summary
Optical observations (Discarded) 78 (1)
Radar observations (Discarded) 0 (0)
Arc length 4785.09 days
Unobserved 695 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 45.1799 deg
Declination 15.2479 deg
V Magnitude 24.26 mag
Solar Elongation -14.23 deg
Galactic Latitude -37.28 deg
Rate 0.417 deg/day
Direction 71.994 deg

More info »