AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999HN ∴ Summary
Contact »
(129769) 1999HN  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.346 1.439e-08 au
e 0.111156 4.598e-08
i 2.825 5.017e-06 deg
Ω 241.09 9.579e-05 deg
ω 316.642 9.842e-05 deg
M 345.775 2.416e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0852 au
Aphelion 2.6068 au
Asc. node-Earth separation 1.13152 au
Desc. node-Earth separation 1.53381 au
Earth MOID 1.08424 au
Orbital period 1312.47 days
Date of orbit computation  feb 22 02:17
Observational summary
Optical observations (Discarded) 516 (1)
Radar observations (Discarded) 0 (0)
Arc length 9043.7 days
Unobserved 67 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 169.929 deg
Declination -0.72008 deg
V Magnitude 18.95 mag
Solar Elongation -161.98 deg
Galactic Latitude 54.48 deg
Rate 0.216 deg/day
Direction -59.756 deg

More info »