astropy>=3.1.2
cfunits>=3.3.2
ephem>=3.7.6.0
h5py>=2.9.0
jplephem>=2.9
matplotlib>=3.0.3
netCDF4>=1.4.2
pandas>=0.24.2
pydap>=3.2.2
python-dateutils>=2.8.2
requests>=2.14.2
scipy>=1.2.1
sgp4>=1.4
skyfield>=1.10
xarray>=0.12.1
