../ dmsp_10_ephemeris_19970316.txt 21-Jun-2023 23:49 108254 dmsp_11_ephemeris_19970316.txt 21-Jun-2023 23:49 108374 dmsp_12_ephemeris_19970316.txt 21-Jun-2023 23:49 108286 dmsp_13_ephemeris_19970316.txt 21-Jun-2023 23:49 108145