../ dmsp_15_ephemeris_20120630.txt 22-Jun-2023 00:20 109481 dmsp_16_ephemeris_20120630.txt 22-Jun-2023 00:20 109470 dmsp_17_ephemeris_20120630.txt 22-Jun-2023 00:20 109648 dmsp_18_ephemeris_20120630.txt 22-Jun-2023 00:20 109612