../ dmsp_15_ephemeris_20131113.txt 22-Jun-2023 16:36 109474 dmsp_16_ephemeris_20131113.txt 22-Jun-2023 16:36 109497 dmsp_17_ephemeris_20131113.txt 22-Jun-2023 16:36 109334 dmsp_18_ephemeris_20131113.txt 22-Jun-2023 16:36 109395