../ dmsp_15_ephemeris_20161121.txt 22-Jun-2023 16:19 109520 dmsp_16_ephemeris_20161121.txt 22-Jun-2023 16:19 109435 dmsp_17_ephemeris_20161121.txt 22-Jun-2023 16:19 109468 dmsp_18_ephemeris_20161121.txt 22-Jun-2023 16:19 109328 dmsp_19_ephemeris_20161121.txt 22-Jun-2023 16:19 243