AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JS61 ∴ Summary
Contact »
(40287) 1999JS61  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.13227 5.874e-09 au
e 0.036677 4.146e-08
i 0.329 3.745e-06 deg
Ω 189.49 0.0006271 deg
ω 132.512 0.0006286 deg
M 280.526 4.977e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0541 au
Aphelion 2.2105 au
Asc. node-Earth separation 1.18461 au
Desc. node-Earth separation 1.07805 au
Earth MOID 1.04078 au
Orbital period 1137.27 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1652 (12)
Radar observations (Discarded) 0 (0)
Arc length 12476.2 days
Unobserved 387 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 269.066 deg
Declination -23.009 deg
V Magnitude 19.14 mag
Solar Elongation 125.81 deg
Galactic Latitude 0.98 deg
Rate 0.057 deg/day
Direction 85.834 deg

More info »