../ dmsp_15_ephemeris_20161213.txt 22-Jun-2023 00:33 109469 dmsp_16_ephemeris_20161213.txt 22-Jun-2023 00:33 109311 dmsp_17_ephemeris_20161213.txt 22-Jun-2023 00:33 109302 dmsp_18_ephemeris_20161213.txt 22-Jun-2023 00:33 109394