AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SB81 ∴ Summary
Contact »
(155469) 1998SB81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08206 2.36e-08 au
e 0.092619 4.332e-08
i 9.608 4.93e-06 deg
Ω 192.987 2.658e-05 deg
ω 129.768 3.691e-05 deg
M 293.058 2.627e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7966 au
Aphelion 3.3675 au
Asc. node-Earth separation 2.24831 au
Desc. node-Earth separation 1.8857 au
Earth MOID 1.79707 au
Orbital period 1976.33 days
Date of orbit computation  feb 22 02:23
Observational summary
Optical observations (Discarded) 808 (3)
Radar observations (Discarded) 0 (0)
Arc length 9941.84 days
Unobserved 313 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 265.354 deg
Declination -13.0426 deg
V Magnitude 19.96 mag
Solar Elongation 123.08 deg
Galactic Latitude 9.09 deg
Rate 0.077 deg/day
Direction 13.99 deg

More info »