../ dmsp_15_ephemeris_20240404.txt 02-Jun-2024 06:00 108235 dmsp_16_ephemeris_20240404.txt 02-Jun-2024 06:00 108259 dmsp_17_ephemeris_20240404.txt 02-Jun-2024 06:00 108192 dmsp_18_ephemeris_20240404.txt 02-Jun-2024 06:00 108158