../ dmsp_15_ephemeris_20160312.txt 22-Jun-2023 00:30 108073 dmsp_16_ephemeris_20160312.txt 22-Jun-2023 00:30 108135 dmsp_17_ephemeris_20160312.txt 22-Jun-2023 00:30 108130 dmsp_18_ephemeris_20160312.txt 22-Jun-2023 00:30 108181 dmsp_19_ephemeris_20160312.txt 22-Jun-2023 00:30 108230