AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HN20 ∴ Summary
Contact »
(178837) 2001HN20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44151 9.198e-09 au
e 0.223354 4.866e-08
i 7.183 5.491e-06 deg
Ω 232.526 2.991e-05 deg
ω 9.213 3.179e-05 deg
M 355.071 9.751e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8962 au
Aphelion 2.9868 au
Asc. node-Earth separation 0.89005 au
Desc. node-Earth separation 1.98745 au
Earth MOID 0.88401 au
Orbital period 1393.43 days
Date of orbit computation  feb 22 02:28
Observational summary
Optical observations (Discarded) 884 (6)
Radar observations (Discarded) 0 (0)
Arc length 10321.3 days
Unobserved 462 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 268.988 deg
Declination -21.505 deg
V Magnitude 19.01 mag
Solar Elongation 121 deg
Galactic Latitude 1.8 deg
Rate 0.203 deg/day
Direction 61.699 deg

More info »