../ dmsp_15_ephemeris_20220624.txt 22-Jun-2023 00:51 109651 dmsp_16_ephemeris_20220624.txt 22-Jun-2023 00:51 109582 dmsp_17_ephemeris_20220624.txt 22-Jun-2023 00:51 109720 dmsp_18_ephemeris_20220624.txt 22-Jun-2023 00:51 109444