../ dmsp_15_ephemeris_20220702.txt 22-Jun-2023 00:51 109662 dmsp_16_ephemeris_20220702.txt 22-Jun-2023 00:51 109514 dmsp_17_ephemeris_20220702.txt 22-Jun-2023 00:51 109572 dmsp_18_ephemeris_20220702.txt 22-Jun-2023 00:51 109445