../ dmsp_15_ephemeris_20131030.txt 22-Jun-2023 16:36 109630 dmsp_16_ephemeris_20131030.txt 22-Jun-2023 16:36 109516 dmsp_17_ephemeris_20131030.txt 22-Jun-2023 16:36 109544 dmsp_18_ephemeris_20131030.txt 22-Jun-2023 16:36 109628