../ dmsp_15_ephemeris_20120125.txt 22-Jun-2023 00:19 107995 dmsp_16_ephemeris_20120125.txt 22-Jun-2023 00:19 107900 dmsp_17_ephemeris_20120125.txt 22-Jun-2023 00:19 107954 dmsp_18_ephemeris_20120125.txt 22-Jun-2023 00:19 108002