NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HW1 ∴ Orbital info ∴ Epoch 59600 MJD
Contact »
1999HW1  ▹ 
ORBITAL INFORMATION
(ASCII data file 1999HW1.eq1)
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.38038 5.486e-09 au
e 0.454353 1.143e-07
i 23.692 1.991e-05 deg
Ω 37.856 1.592e-05 deg
ω 136.359 7.597e-05 deg
M 84.339 2.353e-05 deg
Other useful info
Absolute Magnitude (H)    20.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.2988 au
Aphelion distance 3.4619 au
Asc. node-Earth separation 1.8225 au
Desc. node-Earth separation 0.41536 au
Earth MOID 0.36767 au
Orbital period 1341.43 days
Date of orbit computation   apr 29 09:51

Covariance matrix
3.00949153E-17-2.74824571E-163.43390181E-14-2.29869251E-143.24621916E-13-1.03709697E-13
-2.74824571E-161.30604584E-14-1.71612323E-126.04174308E-13-4.22725500E-121.11988151E-12
3.43390181E-14-1.71612323E-123.96329624E-10-2.27817359E-107.10562326E-10-1.53648424E-10
-2.29869251E-146.04174308E-13-2.27817359E-102.53400682E-10-6.26512948E-101.29120341E-10
3.24621916E-13-4.22725500E-127.10562326E-10-6.26512948E-105.77114813E-09-1.75004501E-09
-1.03709697E-131.11988151E-12-1.53648424E-101.29120341E-10-1.75004501E-095.53492951E-10

Correlation matrix
1.00000000-0.438358860.31442208-0.263227000.77893311-0.80355713
-0.438358861.00000000-0.754294590.33210786-0.486909360.41652092
0.31442208-0.754294591.00000000-0.718877110.46983222-0.32805283
-0.263227000.33210786-0.718877111.00000000-0.518077880.34477418
0.77893311-0.486909360.46983222-0.518077881.00000000-0.97917893
-0.803557130.41652092-0.328052830.34477418-0.979178931.00000000