AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998YQ20 ∴ Summary
Contact »
(231713) 1998YQ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3463 9.398e-09 au
e 0.112878 3.701e-08
i 4.763 4.184e-06 deg
Ω 91.769 5.877e-05 deg
ω 57.04 6.323e-05 deg
M 339.856 2.37e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0815 au
Aphelion 2.6111 au
Asc. node-Earth separation 1.19965 au
Desc. node-Earth separation 1.45135 au
Earth MOID 1.098 au
Orbital period 1312.73 days
Date of orbit computation  apr 23 20:38
Observational summary
Optical observations (Discarded) 568 (2)
Radar observations (Discarded) 0 (0)
Arc length 9168.74 days
Unobserved 95 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 106.681 deg
Declination 25.4888 deg
V Magnitude 21.29 mag
Solar Elongation -70.12 deg
Galactic Latitude 14.46 deg
Rate 0.429 deg/day
Direction 95.679 deg

More info »