NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2011HR4 ∴ Summary
Contact »
2011HR4  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.914497 0.003796 au
e 0.22161 0.01075
i 7.879 0.2278 deg
Ω 47.516 0.2134 deg
ω 350.527 2.503 deg
M 273.332 14.07 deg

More info »
Other useful info
Absolute Magnitude (H)    24.6 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7118 au
Aphelion 1.1172 au
Asc. node-Earth separation -0.2761 au
Desc. node-Earth separation 0.10453 au
Earth MOID 0.07818 au
Orbital period 319.427 days
Date of orbit computation   Oct 9 19:55
Observational summary
Optical observations (Discarded) 11 (1)
Radar observations (Discarded) 0 (0)
Arc length 1 days
Unobserved 2369 days

More info »
Ephemeris at epoch 58047 MJD
Right Ascension 255.214 deg
Declination -30.7934 deg
V Magnitude 26.2 mag
Solar Elongation -50.14 deg
Galactic Latitude 6.97 deg
Rate 0.75 deg/day
Direction 91.577 deg

More info »





This Web Site has been visited 7150 times since

and this Page has been visited 1291 times since 2011/06/06