AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997JR9 ∴ Summary
Contact »
(43987) 1997JR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.72506 1.22e-08 au
e 0.126609 3.609e-08
i 13.223 3.773e-06 deg
Ω 132.716 1.781e-05 deg
ω 76.305 2.387e-05 deg
M 14.164 1.773e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.38 au
Aphelion 3.0701 au
Asc. node-Earth separation 1.61843 au
Desc. node-Earth separation 1.74997 au
Earth MOID 1.41836 au
Orbital period 1643.09 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1456 (3)
Radar observations (Discarded) 0 (0)
Arc length 9814.17 days
Unobserved 37 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 249.564 deg
Declination -1.23268 deg
V Magnitude 18.42 mag
Solar Elongation 143.16 deg
Galactic Latitude 28.6 deg
Rate 0.136 deg/day
Direction -54.601 deg

More info »