../ dmsp_15_ephemeris_20170215.txt 22-Jun-2023 00:33 108086 dmsp_16_ephemeris_20170215.txt 22-Jun-2023 00:33 108083 dmsp_17_ephemeris_20170215.txt 22-Jun-2023 00:33 108105 dmsp_18_ephemeris_20170215.txt 22-Jun-2023 00:33 107895