../ dmsp_15_ephemeris_20221230.txt 22-Jun-2023 00:54 109409 dmsp_16_ephemeris_20221230.txt 22-Jun-2023 00:54 109400 dmsp_17_ephemeris_20221230.txt 22-Jun-2023 00:54 109263 dmsp_18_ephemeris_20221230.txt 22-Jun-2023 00:54 109311