../ dmsp_10_ephemeris_19970521.txt 21-Jun-2023 23:49 109597 dmsp_11_ephemeris_19970521.txt 21-Jun-2023 23:49 109684 dmsp_12_ephemeris_19970521.txt 21-Jun-2023 23:49 109609 dmsp_13_ephemeris_19970521.txt 21-Jun-2023 23:49 109765 dmsp_14_ephemeris_19970521.txt 21-Jun-2023 23:49 109697