AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JH28 ∴ Summary
Contact »
(171528) 1999JH28  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.17382 2.37e-08 au
e 0.161731 4.855e-08
i 9.89 6.533e-06 deg
Ω 218.528 3.131e-05 deg
ω 28.373 3.748e-05 deg
M 138.472 2.06e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6605 au
Aphelion 3.6871 au
Asc. node-Earth separation 1.69863 au
Desc. node-Earth separation 2.6119 au
Earth MOID 1.65234 au
Orbital period 2065.24 days
Date of orbit computation  feb 22 02:26
Observational summary
Optical observations (Discarded) 606 (2)
Radar observations (Discarded) 0 (0)
Arc length 8980.02 days
Unobserved 111 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 27.6822 deg
Declination 11.8006 deg
V Magnitude 21.46 mag
Solar Elongation -21.45 deg
Galactic Latitude -48.5 deg
Rate 0.31 deg/day
Direction 72.876 deg

More info »