../ dmsp_15_ephemeris_20121122.txt 22-Jun-2023 16:11 109484 dmsp_16_ephemeris_20121122.txt 22-Jun-2023 16:11 109380 dmsp_17_ephemeris_20121122.txt 22-Jun-2023 16:11 109393 dmsp_18_ephemeris_20121122.txt 22-Jun-2023 16:11 109364