AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JJ90 ∴ Summary
Contact »
(160578) 1999JJ90  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76246 1.452e-08 au
e 0.099459 3.946e-08
i 16.856 4.273e-06 deg
Ω 91.95 1.347e-05 deg
ω 134.293 2.475e-05 deg
M 148.466 2.025e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4877 au
Aphelion 3.0372 au
Asc. node-Earth separation 1.95644 au
Desc. node-Earth separation 1.54105 au
Earth MOID 1.50098 au
Orbital period 1677.04 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 986 (6)
Radar observations (Discarded) 0 (0)
Arc length 8929.99 days
Unobserved 217 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 30.7888 deg
Declination 0.08946 deg
V Magnitude 21.01 mag
Solar Elongation 14.22 deg
Galactic Latitude -57.79 deg
Rate 0.378 deg/day
Direction 67.975 deg

More info »