NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
Contact »
(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 1.65447 6.534e-09 au
e 0.288819 3.83e-08
i 12.853 6.45e-06 deg
Ω 71.635 1.521e-05 deg
ω 275.947 2.053e-05 deg
M 69.138 1.013e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1766 au
Aphelion 2.1323 au
Asc. node-Earth separation 0.48685 au
Desc. node-Earth separation 0.54896 au
Earth MOID 0.29133 au
Orbital period 777.299 days
Date of orbit computation   May 25 10:41
Observational summary
Optical observations (Discarded) 597 (7)
Radar observations (Discarded) 0 (0)
Arc length 7526 days
Unobserved 401 days

More info »
Ephemeris at epoch 58686 MJD
Right Ascension 125.221 deg
Declination 26.2769 deg
V Magnitude 21.71 mag
Solar Elongation -7.12 deg
Galactic Latitude 30.36 deg
Rate 0.549 deg/day
Direction 99.951 deg

More info »





This Web Site has been visited 128632 times since

and this Page has been visited 5671 times since 2011/06/25