AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QJ4 ∴ Summary
Contact »
(25016) 1998QJ4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36634 5.124e-09 au
e 0.205084 2.88e-08
i 3.469 3.135e-06 deg
Ω 60.459 5.964e-05 deg
ω 0.573 6.033e-05 deg
M 310.214 9.805e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.881 au
Aphelion 2.8516 au
Asc. node-Earth separation 0.89427 au
Desc. node-Earth separation 1.83931 au
Earth MOID 0.89415 au
Orbital period 1329.58 days
Date of orbit computation  apr 23 19:51
Observational summary
Optical observations (Discarded) 2212 (11)
Radar observations (Discarded) 0 (0)
Arc length 24289.8 days
Unobserved 682 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 11.4231 deg
Declination 2.58205 deg
V Magnitude 19.43 mag
Solar Elongation 25.47 deg
Galactic Latitude -60.26 deg
Rate 0.552 deg/day
Direction 66.561 deg

More info »