../ dmsp_10_ephemeris_19970902.txt 21-Jun-2023 23:50 109578 dmsp_11_ephemeris_19970902.txt 21-Jun-2023 23:50 109854 dmsp_12_ephemeris_19970902.txt 21-Jun-2023 23:50 109873 dmsp_13_ephemeris_19970902.txt 21-Jun-2023 23:50 109871 dmsp_14_ephemeris_19970902.txt 21-Jun-2023 23:50 109810