../ dmsp_10_ephemeris_19970820.txt 21-Jun-2023 23:50 109606 dmsp_11_ephemeris_19970820.txt 21-Jun-2023 23:50 109847 dmsp_12_ephemeris_19970820.txt 21-Jun-2023 23:50 109746 dmsp_13_ephemeris_19970820.txt 21-Jun-2023 23:50 109767 dmsp_14_ephemeris_19970820.txt 21-Jun-2023 23:50 109769