../ dmsp_15_ephemeris_20120127.txt 22-Jun-2023 00:19 108096 dmsp_16_ephemeris_20120127.txt 22-Jun-2023 00:19 107977 dmsp_17_ephemeris_20120127.txt 22-Jun-2023 00:19 107954 dmsp_18_ephemeris_20120127.txt 22-Jun-2023 00:19 108056