AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HA21 ∴ Summary
Contact »
(178838) 2001HA21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37457 1.044e-08 au
e 0.151579 4.872e-08
i 2.978 5.522e-06 deg
Ω 41.266 8.767e-05 deg
ω 118.694 8.917e-05 deg
M 134.363 1.712e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0146 au
Aphelion 2.7345 au
Asc. node-Earth separation 1.51137 au
Desc. node-Earth separation 1.15457 au
Earth MOID 1.0256 au
Orbital period 1336.52 days
Date of orbit computation  apr 23 20:27
Observational summary
Optical observations (Discarded) 572 (0)
Radar observations (Discarded) 0 (0)
Arc length 8096.98 days
Unobserved 309 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 333.458 deg
Declination -13.8564 deg
V Magnitude 22.25 mag
Solar Elongation 64.57 deg
Galactic Latitude -50.98 deg
Rate 0.322 deg/day
Direction 71.138 deg

More info »