../ dmsp_10_ephemeris_19970901.txt 21-Jun-2023 23:50 109640 dmsp_11_ephemeris_19970901.txt 21-Jun-2023 23:50 109727 dmsp_12_ephemeris_19970901.txt 21-Jun-2023 23:50 109650 dmsp_13_ephemeris_19970901.txt 21-Jun-2023 23:50 109778 dmsp_14_ephemeris_19970901.txt 21-Jun-2023 23:50 109789