../ dmsp_15_ephemeris_20151124.txt 22-Jun-2023 00:29 109370 dmsp_16_ephemeris_20151124.txt 22-Jun-2023 00:29 109362 dmsp_17_ephemeris_20151124.txt 22-Jun-2023 00:29 109413 dmsp_18_ephemeris_20151124.txt 22-Jun-2023 00:29 109349 dmsp_19_ephemeris_20151124.txt 22-Jun-2023 00:29 109385