AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HW78 ∴ Summary
Contact »
(362221) 2009HW78  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44451 2.554e-08 au
e 0.131213 5.223e-08
i 14.988 7.251e-06 deg
Ω 36.351 2.087e-05 deg
ω 244.492 4.743e-05 deg
M 260.335 5.361e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1238 au
Aphelion 2.7653 au
Asc. node-Earth separation 1.55387 au
Desc. node-Earth separation 1.26751 au
Earth MOID 1.15351 au
Orbital period 1396 days
Date of orbit computation  apr 23 21:06
Observational summary
Optical observations (Discarded) 324 (4)
Radar observations (Discarded) 0 (0)
Arc length 6936.91 days
Unobserved 42 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 159.971 deg
Declination 23.0692 deg
V Magnitude 20.95 mag
Solar Elongation -116.04 deg
Galactic Latitude 60.03 deg
Rate 0.146 deg/day
Direction -174.463 deg

More info »