AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JR109 ∴ Summary
Contact »
(91381) 1999JR109  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55996 1.117e-08 au
e 0.240826 7.328e-08
i 14.325 5.21e-06 deg
Ω 64.72 1.459e-05 deg
ω 350.154 1.84e-05 deg
M 199.858 9.559e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9435 au
Aphelion 3.1765 au
Asc. node-Earth separation 0.96301 au
Desc. node-Earth separation 2.14863 au
Earth MOID 0.95728 au
Orbital period 1496.06 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 2531 (12)
Radar observations (Discarded) 0 (0)
Arc length 8791.99 days
Unobserved 322 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 264.825 deg
Declination -25.6092 deg
V Magnitude 19.11 mag
Solar Elongation 131.52 deg
Galactic Latitude 2.95 deg
Rate 0.093 deg/day
Direction -128.934 deg

More info »