NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HW1 ∴ Orbital info ∴ Epoch 58682 MJD
Contact »
1999HW1  ▹ 
ORBITAL INFORMATION
(ASCII data file 1999HW1.eq0)
Keplerian elements
(Epoch 58682.8 MJD)
Value 1-σ variation Units
a 2.37945 4.937e-09 au
e 0.454734 1.142e-07
i 23.698 1.991e-05 deg
Ω 37.87 1.591e-05 deg
ω 136.353 7.585e-05 deg
M 198.114 2.285e-05 deg
Other useful info
Absolute Magnitude (H)    20.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.2974 au
Aphelion distance 3.4615 au
Asc. node-Earth separation 1.82114 au
Desc. node-Earth separation 0.41414 au
Earth MOID 0.36689 au
Orbital period 1340.65 days
Date of orbit computation   apr 29 09:51

Covariance matrix
2.43757496E-17-3.04123685E-164.16456334E-14-2.33256356E-142.64100986E-13-7.81406559E-14
-3.04123685E-161.30425883E-14-1.71598120E-126.03101405E-13-4.21400741E-121.06642026E-12
4.16456334E-14-1.71598120E-123.96556946E-10-2.27824262E-107.10884368E-10-1.47191670E-10
-2.33256356E-146.03101405E-13-2.27824262E-102.53126798E-10-6.23556352E-101.24271044E-10
2.64100986E-13-4.21400741E-127.10884368E-10-6.23556352E-105.75307521E-09-1.69593454E-09
-7.81406559E-141.06642026E-12-1.47191670E-101.24271044E-10-1.69593454E-095.21948082E-10

Correlation matrix
1.00000000-0.539373200.42358220-0.296951440.70524661-0.69276256
-0.539373201.00000000-0.754532330.33192456-0.486478190.40872654
0.42358220-0.754532331.00000000-0.719081520.47064794-0.32353167
-0.296951440.33192456-0.719081521.00000000-0.516721600.34189066
0.70524661-0.486478190.47064794-0.516721601.00000000-0.97869058
-0.692762560.40872654-0.323531670.34189066-0.978690581.00000000