../ dmsp_11_ephemeris_19991221.txt 22-Jun-2023 15:50 109375 dmsp_12_ephemeris_19991221.txt 22-Jun-2023 15:50 109560 dmsp_13_ephemeris_19991221.txt 22-Jun-2023 15:50 109420 dmsp_14_ephemeris_19991221.txt 22-Jun-2023 15:50 109365 dmsp_15_ephemeris_19991221.txt 22-Jun-2023 15:50 109422