../ dmsp_15_ephemeris_20151121.txt 22-Jun-2023 16:21 109444 dmsp_16_ephemeris_20151121.txt 22-Jun-2023 16:21 109391 dmsp_17_ephemeris_20151121.txt 22-Jun-2023 16:21 109467 dmsp_18_ephemeris_20151121.txt 22-Jun-2023 16:21 109324 dmsp_19_ephemeris_20151121.txt 22-Jun-2023 16:21 109287