../ dmsp_15_ephemeris_20220826.txt 22-Jun-2023 00:52 109646 dmsp_16_ephemeris_20220826.txt 22-Jun-2023 00:52 109651 dmsp_17_ephemeris_20220826.txt 22-Jun-2023 00:52 109621 dmsp_18_ephemeris_20220826.txt 22-Jun-2023 00:52 109532