AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SQ139 ∴ Summary
Contact »
(66140) 1998SQ139  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.07439 1.643e-08 au
e 0.079839 3.686e-08
i 8.399 4.032e-06 deg
Ω 249.855 2.712e-05 deg
ω 176.976 4.004e-05 deg
M 224.443 2.755e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8289 au
Aphelion 3.3199 au
Asc. node-Earth separation 2.30543 au
Desc. node-Earth separation 1.84408 au
Earth MOID 1.84318 au
Orbital period 1968.96 days
Date of orbit computation  feb 22 02:04
Observational summary
Optical observations (Discarded) 2147 (16)
Radar observations (Discarded) 0 (0)
Arc length 9059.83 days
Unobserved 279 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 307.811 deg
Declination -13.2867 deg
V Magnitude 19.57 mag
Solar Elongation 86.19 deg
Galactic Latitude -28.05 deg
Rate 0.193 deg/day
Direction 62.774 deg

More info »