../ dmsp_15_ephemeris_20220705.txt 22-Jun-2023 00:52 109604 dmsp_16_ephemeris_20220705.txt 22-Jun-2023 00:52 109611 dmsp_17_ephemeris_20220705.txt 22-Jun-2023 00:52 109621 dmsp_18_ephemeris_20220705.txt 22-Jun-2023 00:52 109544