../ dmsp_15_ephemeris_20150902.txt 22-Jun-2023 00:29 109650 dmsp_16_ephemeris_20150902.txt 22-Jun-2023 00:29 109737 dmsp_17_ephemeris_20150902.txt 22-Jun-2023 00:29 109823 dmsp_18_ephemeris_20150902.txt 22-Jun-2023 00:29 109747 dmsp_19_ephemeris_20150902.txt 22-Jun-2023 00:29 109725