AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999TW4 ∴ Summary
Contact »
(102217) 1999TW4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52547 6.368e-09 au
e 0.210727 5.474e-08
i 17.893 5.207e-06 deg
Ω 21.906 9.093e-06 deg
ω 334.991 1.185e-05 deg
M 52.743 7.331e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9933 au
Aphelion 3.0577 au
Asc. node-Earth separation 1.02992 au
Desc. node-Earth separation 1.98067 au
Earth MOID 1.00335 au
Orbital period 1465.93 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 1942 (10)
Radar observations (Discarded) 0 (0)
Arc length 8868.98 days
Unobserved 72 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 45.8527 deg
Declination 28.3338 deg
V Magnitude 20.14 mag
Solar Elongation -44.95 deg
Galactic Latitude -26.14 deg
Rate 0.47 deg/day
Direction 71.295 deg

More info »