../ dmsp_15_ephemeris_20140111.txt 22-Jun-2023 00:23 108028 dmsp_16_ephemeris_20140111.txt 22-Jun-2023 00:23 107895 dmsp_17_ephemeris_20140111.txt 22-Jun-2023 00:23 107874 dmsp_18_ephemeris_20140111.txt 22-Jun-2023 00:23 108016