../ dmsp_15_ephemeris_20150913.txt 22-Jun-2023 16:16 109627 dmsp_16_ephemeris_20150913.txt 22-Jun-2023 16:16 109686 dmsp_17_ephemeris_20150913.txt 22-Jun-2023 16:16 109814 dmsp_18_ephemeris_20150913.txt 22-Jun-2023 16:16 109623 dmsp_19_ephemeris_20150913.txt 22-Jun-2023 16:16 109604