AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999TQ308 ∴ Summary
Contact »
(257646) 1999TQ308  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43564 1.834e-08 au
e 0.064509 7.69e-08
i 6.37 6.949e-06 deg
Ω 181.073 4.947e-05 deg
ω 354.232 6.602e-05 deg
M 357.237 4.44e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2785 au
Aphelion 2.5928 au
Asc. node-Earth separation 1.28302 au
Desc. node-Earth separation 1.58929 au
Earth MOID 1.28292 au
Orbital period 1388.41 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 232 (0)
Radar observations (Discarded) 0 (0)
Arc length 8919.01 days
Unobserved 49 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 159.363 deg
Declination 8.42117 deg
V Magnitude 21.28 mag
Solar Elongation -122.83 deg
Galactic Latitude 53.22 deg
Rate 0.07 deg/day
Direction 67.57 deg

More info »