../ dmsp_15_ephemeris_20150111.txt 22-Jun-2023 00:26 108102 dmsp_16_ephemeris_20150111.txt 22-Jun-2023 00:26 107883 dmsp_17_ephemeris_20150111.txt 22-Jun-2023 00:26 107939 dmsp_18_ephemeris_20150111.txt 22-Jun-2023 00:26 107834 dmsp_19_ephemeris_20150111.txt 22-Jun-2023 00:26 107858