../ dmsp_15_ephemeris_20160417.txt 22-Jun-2023 00:31 109641 dmsp_16_ephemeris_20160417.txt 22-Jun-2023 00:31 109694 dmsp_17_ephemeris_20160417.txt 22-Jun-2023 00:31 109792 dmsp_18_ephemeris_20160417.txt 22-Jun-2023 00:31 109677 dmsp_19_ephemeris_20160417.txt 22-Jun-2023 00:31 109679