../ dmsp_15_ephemeris_20150316.txt 22-Jun-2023 00:27 108198 dmsp_16_ephemeris_20150316.txt 22-Jun-2023 00:27 108092 dmsp_17_ephemeris_20150316.txt 22-Jun-2023 00:27 108098 dmsp_18_ephemeris_20150316.txt 22-Jun-2023 00:27 108309 dmsp_19_ephemeris_20150316.txt 22-Jun-2023 00:27 108222