../ dmsp_15_ephemeris_20200207.txt 22-Jun-2023 00:43 108130 dmsp_16_ephemeris_20200207.txt 22-Jun-2023 00:43 108095 dmsp_17_ephemeris_20200207.txt 22-Jun-2023 00:43 108025 dmsp_18_ephemeris_20200207.txt 22-Jun-2023 00:43 108010