../ dmsp_15_ephemeris_20160509.txt 22-Jun-2023 00:31 109549 dmsp_16_ephemeris_20160509.txt 22-Jun-2023 00:31 109628 dmsp_17_ephemeris_20160509.txt 22-Jun-2023 00:31 109537 dmsp_18_ephemeris_20160509.txt 22-Jun-2023 00:31 109613 dmsp_19_ephemeris_20160509.txt 22-Jun-2023 00:31 109671