../ dmsp_15_ephemeris_20190215.txt 22-Jun-2023 16:55 108079 dmsp_16_ephemeris_20190215.txt 22-Jun-2023 16:55 108135 dmsp_17_ephemeris_20190215.txt 22-Jun-2023 16:55 107989 dmsp_18_ephemeris_20190215.txt 22-Jun-2023 16:55 108078