from enum import StrEnum


class Satellite(StrEnum):
    """Satellite identifiers."""

    # Sentinel-1 satellites
    S1A = "S1A"
    S1B = "S1B"
    S1C = "S1C"
    S1D = "S1D"

    # Sentinel-2 satellites
    S2A = "S2A"
    S2B = "S2B"
    S2C = "S2C"

    # Landsat satellites
    LC08 = "LC08"
    LC09 = "LC09"
