../ dmsp_10_ephemeris_19970101.txt 21-Jun-2023 23:49 106550 dmsp_11_ephemeris_19970101.txt 21-Jun-2023 23:49 106464 dmsp_12_ephemeris_19970101.txt 21-Jun-2023 23:49 106707 dmsp_13_ephemeris_19970101.txt 21-Jun-2023 23:49 106511