AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QJ91 ∴ Summary
Contact »
(173200) 1998QJ91  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.60001 5.912e-09 au
e 0.340217 4.049e-08
i 5.494 4.783e-06 deg
Ω 232.375 4.051e-05 deg
ω 140.675 4.118e-05 deg
M 31.351 5.012e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7154 au
Aphelion 3.4846 au
Asc. node-Earth separation 2.10911 au
Desc. node-Earth separation 0.83182 au
Earth MOID 0.72075 au
Orbital period 1531.3 days
Date of orbit computation  Jun 5 01:14
Observational summary
Optical observations (Discarded) 1029 (1)
Radar observations (Discarded) 0 (0)
Arc length 16967.9 days
Unobserved 85 days

More info »
Ephemeris at epoch 60478 MJD
Right Ascension 96.3012 deg
Declination 20.468 deg
V Magnitude 20.7 mag
Solar Elongation -10.33 deg
Galactic Latitude 3.68 deg
Rate 0.5 deg/day
Direction 93.954 deg

More info »