../ dmsp_15_ephemeris_20131203.txt 22-Jun-2023 16:36 109378 dmsp_16_ephemeris_20131203.txt 22-Jun-2023 16:36 109313 dmsp_17_ephemeris_20131203.txt 22-Jun-2023 16:36 109241 dmsp_18_ephemeris_20131203.txt 22-Jun-2023 16:36 109336