../ dmsp_15_ephemeris_20151127.txt 22-Jun-2023 16:17 109400 dmsp_16_ephemeris_20151127.txt 22-Jun-2023 16:17 109272 dmsp_17_ephemeris_20151127.txt 22-Jun-2023 16:17 109372 dmsp_18_ephemeris_20151127.txt 22-Jun-2023 16:17 109467 dmsp_19_ephemeris_20151127.txt 22-Jun-2023 16:17 109322