../ dmsp_15_ephemeris_20200109.txt 22-Jun-2023 00:42 106682 dmsp_16_ephemeris_20200109.txt 22-Jun-2023 00:42 106463 dmsp_17_ephemeris_20200109.txt 22-Jun-2023 00:42 106445 dmsp_18_ephemeris_20200109.txt 22-Jun-2023 00:42 106414