Quest will use the following constant values unless the problem you are working on tells you differently.
a0 = 5.29177249 × 10−11 m
c = 2.99792458 × 10+8 m/s
ε0 = 8.854187817 × 10−12 C2/N m2
F = 96485.47 C/mol
ke = 8987551788.0 N m2/C2
G = 6.67259 × 10−11 N m2/kg2
g = 9.8 m/s2
h = 6.626075 × 10−34 J s
kB = 1.380658 × 10−23 J/K
λC = 2.42631058 × 10−12 m
μ0 = 12.5663706144 × 10−7 N/A2
me = 9.1093897 × 10−31 kg
mn = 1.6749286 × 10−27 kg
mp = 1.672623 × 10−27 kg
Mearth = 5.98 × 10+24 kg
Mmoon = 7.36 × 10+22 kg
Msun = 1.991 × 10+30 kg
NA = 6.0221367 × 10+23 1/mol
Pstd = 1.013 × 10+5 Pa
qe = 1.60217733 × 10−19 C
R = 8.314510 J/K mol
Rearth = 6.37 × 10+6 m
Rearth-moon = 3.84 × 10+8 m
Rearth-sun = 1.496 × 10+11 m
RH = 1.0973731534 × 10+7 1/m
Rmoon = 1.74 × 10+6 m
Rsun = 6.96 × 10+8 m
u = 1.6605402 × 10−27 kg
Vm = 22.414 × 10−3 m3/mol