../ dmsp_15_ephemeris_20150121.txt 22-Jun-2023 16:15 108061 dmsp_16_ephemeris_20150121.txt 22-Jun-2023 16:15 107939 dmsp_17_ephemeris_20150121.txt 22-Jun-2023 16:15 107839 dmsp_18_ephemeris_20150121.txt 22-Jun-2023 16:15 107898 dmsp_19_ephemeris_20150121.txt 22-Jun-2023 16:15 108030