../ dmsp_15_ephemeris_20141220.txt 22-Jun-2023 00:26 109456 dmsp_16_ephemeris_20141220.txt 22-Jun-2023 00:26 109340 dmsp_17_ephemeris_20141220.txt 22-Jun-2023 00:26 109298 dmsp_18_ephemeris_20141220.txt 22-Jun-2023 00:26 109288 dmsp_19_ephemeris_20141220.txt 22-Jun-2023 00:26 109359