../ dmsp_15_ephemeris_20151127.txt 22-Jun-2023 16:21 109400 dmsp_16_ephemeris_20151127.txt 22-Jun-2023 16:21 109272 dmsp_17_ephemeris_20151127.txt 22-Jun-2023 16:21 109372 dmsp_18_ephemeris_20151127.txt 22-Jun-2023 16:21 109467 dmsp_19_ephemeris_20151127.txt 22-Jun-2023 16:21 109322