AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997TR9 ∴ Summary
Contact »
(27970) 1997TR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.66764 9.784e-09 au
e 0.062398 3.821e-08
i 0.89 3.452e-06 deg
Ω 252.056 0.0002502 deg
ω 80.088 0.0002521 deg
M 80.571 3.174e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5012 au
Aphelion 2.8341 au
Asc. node-Earth separation 1.61389 au
Desc. node-Earth separation 1.70208 au
Earth MOID 1.4904 au
Orbital period 1591.44 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 1642 (13)
Radar observations (Discarded) 0 (0)
Arc length 10571 days
Unobserved 50 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 55.4143 deg
Declination 19.7175 deg
V Magnitude 20.49 mag
Solar Elongation -21.78 deg
Galactic Latitude -27.6 deg
Rate 0.421 deg/day
Direction 77.321 deg

More info »