../ dmsp_15_ephemeris_20221202.txt 22-Jun-2023 17:09 109306 dmsp_16_ephemeris_20221202.txt 22-Jun-2023 17:09 109444 dmsp_17_ephemeris_20221202.txt 22-Jun-2023 17:09 109380 dmsp_18_ephemeris_20221202.txt 22-Jun-2023 17:09 109308