AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Yonematsu ∴ Summary
Contact »
(11987) Yonematsu  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69882 1.079e-08 au
e 0.094357 3.988e-08
i 13.737 4.089e-06 deg
Ω 70.676 1.779e-05 deg
ω 92.166 2.805e-05 deg
M 53.751 2.16e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4442 au
Aphelion 2.9535 au
Asc. node-Earth separation 1.6994 au
Desc. node-Earth separation 1.65108 au
Earth MOID 1.49835 au
Orbital period 1619.42 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 3024 (12)
Radar observations (Discarded) 0 (0)
Arc length 21680.3 days
Unobserved 36 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 242.024 deg
Declination -14.1487 deg
V Magnitude 16.93 mag
Solar Elongation 153.36 deg
Galactic Latitude 26.93 deg
Rate 0.185 deg/day
Direction -98.989 deg

More info »