AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JB20 ∴ Summary
Contact »
(17953) 1999JB20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.99236 1.097e-08 au
e 0.327163 4.031e-08
i 10.629 4.678e-06 deg
Ω 233.37 1.815e-05 deg
ω 14.71 1.898e-05 deg
M 263.763 4.945e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0134 au
Aphelion 3.9713 au
Asc. node-Earth separation 1.01895 au
Desc. node-Earth separation 2.92098 au
Earth MOID 1.00186 au
Orbital period 1890.68 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2316 (214)
Radar observations (Discarded) 0 (0)
Arc length 14927.5 days
Unobserved 89 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 103.598 deg
Declination 13.3505 deg
V Magnitude 19.94 mag
Solar Elongation -74.53 deg
Galactic Latitude 6.69 deg
Rate 0.194 deg/day
Direction 86.877 deg

More info »