../ dmsp_15_ephemeris_20160118.txt 22-Jun-2023 00:30 108037 dmsp_16_ephemeris_20160118.txt 22-Jun-2023 00:30 107951 dmsp_17_ephemeris_20160118.txt 22-Jun-2023 00:30 107810 dmsp_18_ephemeris_20160118.txt 22-Jun-2023 00:30 107908 dmsp_19_ephemeris_20160118.txt 22-Jun-2023 00:30 107998