../ dmsp_15_ephemeris_20160703.txt 22-Jun-2023 00:31 109457 dmsp_16_ephemeris_20160703.txt 22-Jun-2023 00:31 109637 dmsp_17_ephemeris_20160703.txt 22-Jun-2023 00:31 109671 dmsp_18_ephemeris_20160703.txt 22-Jun-2023 00:31 109558 dmsp_19_ephemeris_20160703.txt 22-Jun-2023 00:31 109724