../ dmsp_15_ephemeris_20150826.txt 22-Jun-2023 16:21 109701 dmsp_16_ephemeris_20150826.txt 22-Jun-2023 16:21 109666 dmsp_17_ephemeris_20150826.txt 22-Jun-2023 16:21 109766 dmsp_18_ephemeris_20150826.txt 22-Jun-2023 16:21 109696 dmsp_19_ephemeris_20150826.txt 22-Jun-2023 16:21 109754