../ dmsp_15_ephemeris_20150713.txt 22-Jun-2023 16:16 109496 dmsp_16_ephemeris_20150713.txt 22-Jun-2023 16:16 109643 dmsp_17_ephemeris_20150713.txt 22-Jun-2023 16:16 109741 dmsp_18_ephemeris_20150713.txt 22-Jun-2023 16:16 109584 dmsp_19_ephemeris_20150713.txt 22-Jun-2023 16:16 109611