AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Tongzhan ∴ Summary
Contact »
(24977) Tongzhan  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.24182 5.69e-09 au
e 0.056316 3.417e-08
i 3.498 3.349e-06 deg
Ω 257.477 6.015e-05 deg
ω 104.115 6.796e-05 deg
M 117.441 3.238e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1156 au
Aphelion 2.3681 au
Asc. node-Earth separation 1.25057 au
Desc. node-Earth separation 1.22047 au
Earth MOID 1.11538 au
Orbital period 1226.03 days
Date of orbit computation  Jun 5 00:42
Observational summary
Optical observations (Discarded) 1489 (4)
Radar observations (Discarded) 0 (0)
Arc length 11044.9 days
Unobserved 40 days

More info »
Ephemeris at epoch 60476 MJD
Right Ascension 129.512 deg
Declination 15.8518 deg
V Magnitude 20.77 mag
Solar Elongation -43.78 deg
Galactic Latitude 30.57 deg
Rate 0.44 deg/day
Direction 104.377 deg

More info »