../ dmsp_15_ephemeris_20150614.txt 22-Jun-2023 16:20 109447 dmsp_16_ephemeris_20150614.txt 22-Jun-2023 16:20 109594 dmsp_17_ephemeris_20150614.txt 22-Jun-2023 16:20 109639 dmsp_18_ephemeris_20150614.txt 22-Jun-2023 16:20 109610 dmsp_19_ephemeris_20150614.txt 22-Jun-2023 16:20 109593