AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997TN21 ∴ Summary
Contact »
(129588) 1997TN21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.22502 7.336e-09 au
e 0.15127 3.952e-08
i 5.428 5.958e-06 deg
Ω 25.214 3.872e-05 deg
ω 230.71 4.373e-05 deg
M 110.9 2.082e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8884 au
Aphelion 2.5616 au
Asc. node-Earth separation 1.40884 au
Desc. node-Earth separation 0.98082 au
Earth MOID 0.87941 au
Orbital period 1212.27 days
Date of orbit computation  feb 22 02:17
Observational summary
Optical observations (Discarded) 759 (9)
Radar observations (Discarded) 0 (0)
Arc length 9478.33 days
Unobserved 222 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 25.7768 deg
Declination 10.7946 deg
V Magnitude 21.32 mag
Solar Elongation 2.28 deg
Galactic Latitude -50.06 deg
Rate 0.462 deg/day
Direction 66.944 deg

More info »