AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HF4 ∴ Summary
Contact »
(51571) 2001HF4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58883 1.072e-08 au
e 0.216998 3.93e-08
i 2.139 3.945e-06 deg
Ω 269.728 0.0001014 deg
ω 31.823 0.0001017 deg
M 120.391 9.694e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0271 au
Aphelion 3.1506 au
Asc. node-Earth separation 1.0662 au
Desc. node-Earth separation 2.04242 au
Earth MOID 1.01173 au
Orbital period 1521.44 days
Date of orbit computation  feb 22 02:00
Observational summary
Optical observations (Discarded) 1284 (11)
Radar observations (Discarded) 0 (0)
Arc length 10190 days
Unobserved 104 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 69.2353 deg
Declination 22.2481 deg
V Magnitude 21.35 mag
Solar Elongation -41.75 deg
Galactic Latitude -16.47 deg
Rate 0.341 deg/day
Direction 82.859 deg

More info »