../ dmsp_15_ephemeris_20160704.txt 22-Jun-2023 00:31 109512 dmsp_16_ephemeris_20160704.txt 22-Jun-2023 00:31 109440 dmsp_17_ephemeris_20160704.txt 22-Jun-2023 00:31 109573 dmsp_18_ephemeris_20160704.txt 22-Jun-2023 00:31 109663 dmsp_19_ephemeris_20160704.txt 22-Jun-2023 00:31 109676