../ dmsp_15_ephemeris_20160501.txt 22-Jun-2023 00:31 109432 dmsp_16_ephemeris_20160501.txt 22-Jun-2023 00:31 109707 dmsp_17_ephemeris_20160501.txt 22-Jun-2023 00:31 109593 dmsp_18_ephemeris_20160501.txt 22-Jun-2023 00:31 109741 dmsp_19_ephemeris_20160501.txt 22-Jun-2023 00:31 109742