../ dmsp_15_ephemeris_20150609.txt 22-Jun-2023 16:20 109507 dmsp_16_ephemeris_20150609.txt 22-Jun-2023 16:20 109556 dmsp_17_ephemeris_20150609.txt 22-Jun-2023 16:20 109574 dmsp_18_ephemeris_20150609.txt 22-Jun-2023 16:20 109625 dmsp_19_ephemeris_20150609.txt 22-Jun-2023 16:20 109513