../ dmsp_15_ephemeris_20150611.txt 22-Jun-2023 16:42 109458 dmsp_16_ephemeris_20150611.txt 22-Jun-2023 16:42 109563 dmsp_17_ephemeris_20150611.txt 22-Jun-2023 16:42 109550 dmsp_18_ephemeris_20150611.txt 22-Jun-2023 16:42 109444 dmsp_19_ephemeris_20150611.txt 22-Jun-2023 16:42 109637