../ dmsp_15_ephemeris_20221018.txt 22-Jun-2023 16:40 109641 dmsp_16_ephemeris_20221018.txt 22-Jun-2023 16:40 109496 dmsp_17_ephemeris_20221018.txt 22-Jun-2023 16:40 109491 dmsp_18_ephemeris_20221018.txt 22-Jun-2023 16:40 109501