../ dmsp_15_ephemeris_20150914.txt 22-Jun-2023 16:21 109566 dmsp_16_ephemeris_20150914.txt 22-Jun-2023 16:21 109644 dmsp_17_ephemeris_20150914.txt 22-Jun-2023 16:21 109703 dmsp_18_ephemeris_20150914.txt 22-Jun-2023 16:21 109661 dmsp_19_ephemeris_20150914.txt 22-Jun-2023 16:21 109725