../ dmsp_15_ephemeris_20221127.txt 22-Jun-2023 00:53 109338 dmsp_16_ephemeris_20221127.txt 22-Jun-2023 00:53 109462 dmsp_17_ephemeris_20221127.txt 22-Jun-2023 00:53 109282 dmsp_18_ephemeris_20221127.txt 22-Jun-2023 00:53 109447