AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011HP31 ∴ Summary
Contact »
(420224) 2011HP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.089 3.789e-08 au
e 0.095755 5.632e-08
i 9.769 7.263e-06 deg
Ω 35.891 3.585e-05 deg
ω 100.263 5.798e-05 deg
M 199.286 4.365e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7932 au
Aphelion 3.3848 au
Asc. node-Earth separation 2.12139 au
Desc. node-Earth separation 2.00291 au
Earth MOID 1.82814 au
Orbital period 1983.01 days
Date of orbit computation  feb 22 03:19
Observational summary
Optical observations (Discarded) 231 (0)
Radar observations (Discarded) 0 (0)
Arc length 6758.05 days
Unobserved 685 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 350.93 deg
Declination -11.6286 deg
V Magnitude 22.76 mag
Solar Elongation 42.5 deg
Galactic Latitude -64.23 deg
Rate 0.308 deg/day
Direction 67.776 deg

More info »