../ dmsp_15_ephemeris_20221029.txt 22-Jun-2023 17:08 109578 dmsp_16_ephemeris_20221029.txt 22-Jun-2023 17:08 109536 dmsp_17_ephemeris_20221029.txt 22-Jun-2023 17:08 109458 dmsp_18_ephemeris_20221029.txt 22-Jun-2023 17:08 109450