../ dmsp_15_ephemeris_20160507.txt 22-Jun-2023 00:31 109517 dmsp_16_ephemeris_20160507.txt 22-Jun-2023 00:31 109630 dmsp_17_ephemeris_20160507.txt 22-Jun-2023 00:31 109759 dmsp_18_ephemeris_20160507.txt 22-Jun-2023 00:31 109548 dmsp_19_ephemeris_20160507.txt 22-Jun-2023 00:31 109687