../ dmsp_15_ephemeris_20221128.txt 22-Jun-2023 16:40 109398 dmsp_16_ephemeris_20221128.txt 22-Jun-2023 16:40 109436 dmsp_17_ephemeris_20221128.txt 22-Jun-2023 16:40 109298 dmsp_18_ephemeris_20221128.txt 22-Jun-2023 16:40 109278