../ dmsp_15_ephemeris_20151103.txt 22-Jun-2023 00:29 109484 dmsp_16_ephemeris_20151103.txt 22-Jun-2023 00:29 109574 dmsp_17_ephemeris_20151103.txt 22-Jun-2023 00:29 109484 dmsp_18_ephemeris_20151103.txt 22-Jun-2023 00:29 109515 dmsp_19_ephemeris_20151103.txt 22-Jun-2023 00:29 109371