AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999TM99 ∴ Summary
Contact »
(21838) 1999TM99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76286 1.254e-08 au
e 0.1676 3.358e-08
i 10.437 3.478e-06 deg
Ω 119.163 2.064e-05 deg
ω 229.652 2.318e-05 deg
M 138.624 1.035e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2998 au
Aphelion 3.2259 au
Asc. node-Earth separation 2.02854 au
Desc. node-Earth separation 1.40661 au
Earth MOID 1.30759 au
Orbital period 1677.4 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2468 (270)
Radar observations (Discarded) 0 (0)
Arc length 12157.2 days
Unobserved 53 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 126.845 deg
Declination 23.5488 deg
V Magnitude 20.23 mag
Solar Elongation -88.51 deg
Galactic Latitude 30.92 deg
Rate 0.166 deg/day
Direction 101.085 deg

More info »