AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HR47 ∴ Summary
Contact »
(139259) 2001HR47  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35699 1.011e-08 au
e 0.157617 4.291e-08
i 5.292 3.78e-06 deg
Ω 260.528 5.439e-05 deg
ω 326.505 5.605e-05 deg
M 112.287 1.459e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9855 au
Aphelion 2.7285 au
Asc. node-Earth separation 1.01607 au
Desc. node-Earth separation 1.66228 au
Earth MOID 0.97797 au
Orbital period 1321.71 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1132 (331)
Radar observations (Discarded) 0 (0)
Arc length 8141.79 days
Unobserved 285 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 7.99303 deg
Declination 7.68819 deg
V Magnitude 21.81 mag
Solar Elongation 25.82 deg
Galactic Latitude -54.87 deg
Rate 0.42 deg/day
Direction 66.214 deg

More info »