../ dmsp_08_ephemeris_19921218.txt 21-Jun-2023 23:45 109531 dmsp_09_ephemeris_19921218.txt 21-Jun-2023 23:45 109340 dmsp_10_ephemeris_19921218.txt 21-Jun-2023 23:45 109490 dmsp_11_ephemeris_19921218.txt 21-Jun-2023 23:45 109299