../ dmsp_10_ephemeris_19970821.txt 21-Jun-2023 23:50 109609 dmsp_11_ephemeris_19970821.txt 21-Jun-2023 23:50 109793 dmsp_12_ephemeris_19970821.txt 21-Jun-2023 23:50 109703 dmsp_13_ephemeris_19970821.txt 21-Jun-2023 23:50 109803 dmsp_14_ephemeris_19970821.txt 21-Jun-2023 23:50 109742