../ dmsp_15_ephemeris_20161120.txt 22-Jun-2023 16:19 109325 dmsp_16_ephemeris_20161120.txt 22-Jun-2023 16:19 109458 dmsp_17_ephemeris_20161120.txt 22-Jun-2023 16:19 109387 dmsp_18_ephemeris_20161120.txt 22-Jun-2023 16:19 109412 dmsp_19_ephemeris_20161120.txt 22-Jun-2023 16:19 243