../ dmsp_15_ephemeris_20141204.txt 22-Jun-2023 00:26 109403 dmsp_16_ephemeris_20141204.txt 22-Jun-2023 00:26 109186 dmsp_17_ephemeris_20141204.txt 22-Jun-2023 00:26 109319 dmsp_18_ephemeris_20141204.txt 22-Jun-2023 00:26 109368 dmsp_19_ephemeris_20141204.txt 22-Jun-2023 00:26 109284