../ dmsp_15_ephemeris_20200213.txt 22-Jun-2023 00:43 108197 dmsp_16_ephemeris_20200213.txt 22-Jun-2023 00:43 108163 dmsp_17_ephemeris_20200213.txt 22-Jun-2023 00:43 108010 dmsp_18_ephemeris_20200213.txt 22-Jun-2023 00:43 108118