../ dmsp_15_ephemeris_20210104.txt 22-Jun-2023 00:46 106571 dmsp_16_ephemeris_20210104.txt 22-Jun-2023 00:46 106377 dmsp_17_ephemeris_20210104.txt 22-Jun-2023 00:46 106304 dmsp_18_ephemeris_20210104.txt 22-Jun-2023 00:46 106464