../ dmsp_15_ephemeris_20161124.txt 22-Jun-2023 16:19 109501 dmsp_16_ephemeris_20161124.txt 22-Jun-2023 16:19 109325 dmsp_17_ephemeris_20161124.txt 22-Jun-2023 16:19 109489 dmsp_18_ephemeris_20161124.txt 22-Jun-2023 16:19 109408 dmsp_19_ephemeris_20161124.txt 22-Jun-2023 16:19 243