AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HW91 ∴ Summary
Contact »
(418975) 2009HW91  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62806 2.912e-08 au
e 0.233392 1.051e-07
i 31.676 9.293e-06 deg
Ω 49.097 1.247e-05 deg
ω 302.81 2.31e-05 deg
M 79.056 2.922e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0147 au
Aphelion 3.2414 au
Asc. node-Earth separation 1.21671 au
Desc. node-Earth separation 1.83496 au
Earth MOID 1.12633 au
Orbital period 1556.15 days
Date of orbit computation  feb 22 03:19
Observational summary
Optical observations (Discarded) 354 (2)
Radar observations (Discarded) 0 (0)
Arc length 5393.8 days
Unobserved 108 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 75.7936 deg
Declination 43.6758 deg
V Magnitude 21.36 mag
Solar Elongation -53.02 deg
Galactic Latitude 1.26 deg
Rate 0.359 deg/day
Direction 83.961 deg

More info »