AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HP91 ∴ Summary
Contact »
2009HP91  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69121 2.752e-08 au
e 0.300885 7.54e-08
i 8.461 8.25e-06 deg
Ω 98.734 4.823e-05 deg
ω 132.024 6.123e-05 deg
M 125.59 2.417e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8815 au
Aphelion 3.501 au
Asc. node-Earth separation 2.08267 au
Desc. node-Earth separation 1.02039 au
Earth MOID 0.88264 au
Orbital period 1612.58 days
Date of orbit computation  feb 22 07:40
Observational summary
Optical observations (Discarded) 113 (1)
Radar observations (Discarded) 0 (0)
Arc length 5267.08 days
Unobserved 189 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 17.0798 deg
Declination 0.31291 deg
V Magnitude 23.87 mag
Solar Elongation -10.55 deg
Galactic Latitude -62.26 deg
Rate 0.34 deg/day
Direction 66.564 deg

More info »