../ dmsp_11_ephemeris_20011231.txt 22-Jun-2023 15:53 109430 dmsp_12_ephemeris_20011231.txt 22-Jun-2023 15:53 109313 dmsp_13_ephemeris_20011231.txt 22-Jun-2023 15:53 109450 dmsp_14_ephemeris_20011231.txt 22-Jun-2023 15:53 109469 dmsp_15_ephemeris_20011231.txt 22-Jun-2023 15:53 109506