../ dmsp_15_ephemeris_20221105.txt 22-Jun-2023 00:53 109479 dmsp_16_ephemeris_20221105.txt 22-Jun-2023 00:53 109589 dmsp_17_ephemeris_20221105.txt 22-Jun-2023 00:53 109265 dmsp_18_ephemeris_20221105.txt 22-Jun-2023 00:53 109470