../ dmsp_15_ephemeris_20191226.txt 22-Jun-2023 00:42 109443 dmsp_16_ephemeris_20191226.txt 22-Jun-2023 00:42 109436 dmsp_17_ephemeris_20191226.txt 22-Jun-2023 00:42 109226 dmsp_18_ephemeris_20191226.txt 22-Jun-2023 00:42 109367