../ dmsp_15_ephemeris_20160717.txt 22-Jun-2023 00:31 109444 dmsp_16_ephemeris_20160717.txt 22-Jun-2023 00:31 109501 dmsp_17_ephemeris_20160717.txt 22-Jun-2023 00:31 109630 dmsp_18_ephemeris_20160717.txt 22-Jun-2023 00:31 109606 dmsp_19_ephemeris_20160717.txt 22-Jun-2023 00:31 109587