AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SM123 ∴ Summary
Contact »
(13340) 1998SM123  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55701 8.73e-09 au
e 0.242034 4.007e-08
i 5.56 2.735e-06 deg
Ω 21.617 4.184e-05 deg
ω 253.99 4.229e-05 deg
M 157.217 6.532e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9381 au
Aphelion 3.1759 au
Asc. node-Earth separation 1.58269 au
Desc. node-Earth separation 1.25448 au
Earth MOID 0.9308 au
Orbital period 1493.47 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 2755 (21)
Radar observations (Discarded) 0 (0)
Arc length 11209.5 days
Unobserved 108 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 70.7866 deg
Declination 26.3506 deg
V Magnitude 20.59 mag
Solar Elongation -39.98 deg
Galactic Latitude -12.77 deg
Rate 0.316 deg/day
Direction 83.23 deg

More info »