NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HL21 ∴ Summary
Contact »
2009HL21  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 1.66326 0.0004628 au
e 0.444646 0.0001579
i 1.009 0.0003426 deg
Ω 144.336 0.01152 deg
ω 9.423 0.01344 deg
M 177.796 0.8343 deg

More info »
Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9237 au
Aphelion distance 2.4028 au
Asc. node-Earth separation -0.06002 au
Desc. node-Earth separation 1.36338 au
Earth MOID 0.0079 au
Orbital period 783.498 days
Date of orbit computation   Mar 19 09:04
Observational summary
Optical observations (Discarded) 128 (1)
Radar observations (Discarded) 0 (0)
Arc length 40 days
Unobserved 4440 days

More info »
Ephemeris
(Epoch 59422 MJD)
Right Ascension 53.3033 deg
Declination 18.3161 deg
V Magnitude 26.57 mag
Solar Elongation 68.48 deg
Galactic Latitude -29.98 deg
Rate 0.524 deg/day
Direction 76.971 deg

More info »