../ dmsp_15_ephemeris_20220116.txt 22-Jun-2023 00:49 107946 dmsp_16_ephemeris_20220116.txt 22-Jun-2023 00:49 107895 dmsp_17_ephemeris_20220116.txt 22-Jun-2023 00:49 107911 dmsp_18_ephemeris_20220116.txt 22-Jun-2023 00:49 108012