NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998QA1 ∴ Summary
Contact »
(356991) 1998QA1  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 2.10409 2.855e-08 au
e 0.532302 7.896e-08
i 8.17 1.816e-05 deg
Ω 299.008 9.455e-05 deg
ω 333.009 9.39e-05 deg
M 325.466 5.921e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9841 au
Aphelion distance 3.2241 au
Asc. node-Earth separation 0.00675 au
Desc. node-Earth separation 1.88566 au
Earth MOID 0.00441 au
Orbital period 1114.79 days
Date of orbit computation   giu 8 16:58
Observational summary
Optical observations (Discarded) 200 (1)
Radar observations (Discarded) 0 (0)
Arc length 6402 days
Unobserved 2312 days

More info »
Ephemeris
(Epoch 59758 MJD)
Right Ascension 139.821 deg
Declination 11.3418 deg
V Magnitude 23.33 mag
Solar Elongation -42.83 deg
Galactic Latitude 37.91 deg
Rate 0.467 deg/day
Direction 109.104 deg

More info »