../ dmsp_10_ephemeris_19970228.txt 21-Jun-2023 23:49 108154 dmsp_11_ephemeris_19970228.txt 21-Jun-2023 23:49 108282 dmsp_12_ephemeris_19970228.txt 21-Jun-2023 23:49 108395 dmsp_13_ephemeris_19970228.txt 21-Jun-2023 23:49 108295