../ dmsp_15_ephemeris_20151015.txt 22-Jun-2023 00:29 109531 dmsp_16_ephemeris_20151015.txt 22-Jun-2023 00:29 109538 dmsp_17_ephemeris_20151015.txt 22-Jun-2023 00:29 109570 dmsp_18_ephemeris_20151015.txt 22-Jun-2023 00:29 109484 dmsp_19_ephemeris_20151015.txt 22-Jun-2023 00:29 109523