imap_processing.spice.time

Time conversion functions that rely on SPICEYPY.

Functions

epoch_to_doy(epoch)	Convert epoch times to day of year (1-365/366).
epoch_to_fractional_doy(epoch)	Convert epoch in TTJ2000ns to floating point day-of-year.
et_to_datetime64(et)	Convert ET to numpy datetime64.
et_to_met(et)	Convert ephemeris time to mission elapsed time (MET).
et_to_ttj2000ns(et)	Convert TDB J2000 epoch seconds to TT J2000 epoch nanoseconds.
et_to_utc(et[, format_str, precision, utclen])	Convert ephemeris time to UTC.
met_to_datetime64(met)	Convert mission elapsed time (MET) to datetime.datetime.
met_to_sclkticks(met)	Convert Mission Elapsed Time (MET) to floating point spacecraft clock ticks.
met_to_ttj2000ns(met)	Convert mission elapsed time (MET) to terrestrial time nanoseconds since J2000.
met_to_utc(met[, precision])	Convert mission elapsed time (MET) to UTC.
sct_to_et(sclk_ticks)	Convert encoded spacecraft clock "ticks" to ephemeris time.
sct_to_ttj2000s(sclk_ticks)	Convert encoded spacecraft clock "ticks" to terrestrial time (TT).
str_to_et(time_str)	Convert string to ephemeris time.
ttj2000ns_to_et(tt_ns)	Convert TT J2000 epoch nanoseconds to TDB J2000 epoch seconds.
ttj2000ns_to_met(tt_ns)	Convert terrestrial time nanoseconds since J2000 to mission elapsed time (MET).