../ dmsp_15_ephemeris_20111003.txt 22-Jun-2023 16:12 109576 dmsp_16_ephemeris_20111003.txt 22-Jun-2023 16:12 109588 dmsp_17_ephemeris_20111003.txt 22-Jun-2023 16:12 109573 dmsp_18_ephemeris_20111003.txt 22-Jun-2023 16:12 109704