../ dmsp_15_ephemeris_20150202.txt 22-Jun-2023 16:19 108026 dmsp_16_ephemeris_20150202.txt 22-Jun-2023 16:19 107974 dmsp_17_ephemeris_20150202.txt 22-Jun-2023 16:19 108110 dmsp_18_ephemeris_20150202.txt 22-Jun-2023 16:19 107991 dmsp_19_ephemeris_20150202.txt 22-Jun-2023 16:19 108019