../ dmsp_15_ephemeris_20111002.txt 22-Jun-2023 16:12 109627 dmsp_16_ephemeris_20111002.txt 22-Jun-2023 16:12 109580 dmsp_17_ephemeris_20111002.txt 22-Jun-2023 16:12 109533 dmsp_18_ephemeris_20111002.txt 22-Jun-2023 16:12 109671