../ dmsp_15_ephemeris_20190109.txt 22-Jun-2023 16:29 106574 dmsp_16_ephemeris_20190109.txt 22-Jun-2023 16:29 106535 dmsp_17_ephemeris_20190109.txt 22-Jun-2023 16:29 106393 dmsp_18_ephemeris_20190109.txt 22-Jun-2023 16:29 106192