../ dmsp_13_ephemeris_20041220.txt 22-Jun-2023 00:03 109320 dmsp_14_ephemeris_20041220.txt 22-Jun-2023 00:03 109371 dmsp_15_ephemeris_20041220.txt 22-Jun-2023 00:03 109430 dmsp_16_ephemeris_20041220.txt 22-Jun-2023 00:03 109548