../ dmsp_15_ephemeris_20220526.txt 22-Jun-2023 17:06 109599 dmsp_16_ephemeris_20220526.txt 22-Jun-2023 17:06 109532 dmsp_17_ephemeris_20220526.txt 22-Jun-2023 17:06 109515 dmsp_18_ephemeris_20220526.txt 22-Jun-2023 17:06 109598