AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Ratai ∴ Summary
Contact »
(21724) Ratai  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32782 7.034e-09 au
e 0.125601 3.35e-08
i 5.75 3.755e-06 deg
Ω 211.847 3.416e-05 deg
ω 151.284 3.723e-05 deg
M 309.544 1.58e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0354 au
Aphelion 2.6202 au
Asc. node-Earth separation 1.56941 au
Desc. node-Earth separation 1.07023 au
Earth MOID 1.03558 au
Orbital period 1297.25 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2341 (184)
Radar observations (Discarded) 0 (0)
Arc length 13833.3 days
Unobserved 255 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 330.644 deg
Declination -6.72542 deg
V Magnitude 19.78 mag
Solar Elongation 58.9 deg
Galactic Latitude -45.07 deg
Rate 0.478 deg/day
Direction 67.694 deg

More info »