NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998QA1 ∴ Summary
Contact »
(356991) 1998QA1  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.10366 4.053e-08 au
e 0.532737 9.175e-08
i 8.172 2.219e-05 deg
Ω 299.009 0.0001116 deg
ω 332.972 0.0001119 deg
M 233.3 7.859e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.983 au
Aphelion 3.2244 au
Asc. node-Earth separation 0.00507 au
Desc. node-Earth separation 1.88182 au
Earth MOID 0.00328 au
Orbital period 1114.45 days
Date of orbit computation   Oct 1 22:24
Observational summary
Optical observations (Discarded) 200 (1)
Radar observations (Discarded) 0 (0)
Arc length 6402 days
Unobserved 1090 days

More info »
Ephemeris at epoch 58536 MJD
Right Ascension 122.886 deg
Declination 16.7826 deg
V Magnitude 22.7 mag
Solar Elongation -148.43 deg
Galactic Latitude 25.05 deg
Rate 0.279 deg/day
Direction -83.768 deg

More info »





This Web Site has been visited 1240764 times since

and this Page has been visited 4820 times since 2013/03/30