../ dmsp_15_ephemeris_20200207.txt 22-Jun-2023 16:32 108130 dmsp_16_ephemeris_20200207.txt 22-Jun-2023 16:32 108095 dmsp_17_ephemeris_20200207.txt 22-Jun-2023 16:32 108025 dmsp_18_ephemeris_20200207.txt 22-Jun-2023 16:32 108010