../ dmsp_15_ephemeris_20220626.txt 22-Jun-2023 00:51 109621 dmsp_16_ephemeris_20220626.txt 22-Jun-2023 00:51 109623 dmsp_17_ephemeris_20220626.txt 22-Jun-2023 00:51 109533 dmsp_18_ephemeris_20220626.txt 22-Jun-2023 00:51 109523