../ dmsp_15_ephemeris_20141218.txt 22-Jun-2023 00:26 109383 dmsp_16_ephemeris_20141218.txt 22-Jun-2023 00:26 109298 dmsp_17_ephemeris_20141218.txt 22-Jun-2023 00:26 109408 dmsp_18_ephemeris_20141218.txt 22-Jun-2023 00:26 109301 dmsp_19_ephemeris_20141218.txt 22-Jun-2023 00:26 109444