../ dmsp_10_ephemeris_19980419.txt 21-Jun-2023 23:51 109638 dmsp_11_ephemeris_19980419.txt 21-Jun-2023 23:51 109879 dmsp_12_ephemeris_19980419.txt 21-Jun-2023 23:51 109757 dmsp_13_ephemeris_19980419.txt 21-Jun-2023 23:51 109761 dmsp_14_ephemeris_19980419.txt 21-Jun-2023 23:51 109712