../ dmsp_15_ephemeris_20221130.txt 22-Jun-2023 16:33 109220 dmsp_16_ephemeris_20221130.txt 22-Jun-2023 16:33 109191 dmsp_17_ephemeris_20221130.txt 22-Jun-2023 16:33 109229 dmsp_18_ephemeris_20221130.txt 22-Jun-2023 16:33 109362