../ dmsp_15_ephemeris_20220203.txt 22-Jun-2023 00:49 108122 dmsp_16_ephemeris_20220203.txt 22-Jun-2023 00:49 108163 dmsp_17_ephemeris_20220203.txt 22-Jun-2023 00:49 107991 dmsp_18_ephemeris_20220203.txt 22-Jun-2023 00:49 107964