AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JB20 ∴ Summary
Contact »
(17953) 1999JB20  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.99745 2.855e-08 au
e 0.325483 5.793e-08
i 10.619 6.874e-06 deg
Ω 233.465 3.35e-05 deg
ω 14.918 3.601e-05 deg
M 243.1 2.101e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0218 au
Aphelion 3.9731 au
Asc. node-Earth separation 1.02635 au
Desc. node-Earth separation 2.92039 au
Earth MOID 1.00894 au
Orbital period 1895.52 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 862 (6)
Radar observations (Discarded) 0 (0)
Arc length 12722 days
Unobserved 442 days

More info »
Ephemeris at epoch 58566 MJD
Right Ascension 109.196 deg
Declination 10.4262 deg
V Magnitude 19.02 mag
Solar Elongation -106.13 deg
Galactic Latitude 10.32 deg
Rate 0.066 deg/day
Direction 52.074 deg

More info »





This Web Site has been visited 111477 times since

and this Page has been visited 117 times since 2011/12/28