../ dmsp_15_ephemeris_20120123.txt 22-Jun-2023 00:19 107957 dmsp_16_ephemeris_20120123.txt 22-Jun-2023 00:19 107884 dmsp_17_ephemeris_20120123.txt 22-Jun-2023 00:19 107985 dmsp_18_ephemeris_20120123.txt 22-Jun-2023 00:19 108145