OptionalfaintestThe faintest it may look, as an apparent magnitude.
OptionalminThe lowest the Satellite may stand, in degrees above the horizon.
OptionalnightsThe Observer's Nights over the interval, as nightsOver answers them
under the same nightSunAltitude, for a caller searching many
Satellites from one Observer to work out once.
OptionalnightThe highest the Sun may stand for the Observer to be in Night, in degrees (negative: below the horizon).
The thresholds of the Visible pass rule, and the Observer's Nights when the caller has them already.