../ dmsp_11_ephemeris_20020821.txt 21-Jun-2023 23:58 109701 dmsp_12_ephemeris_20020821.txt 21-Jun-2023 23:58 109700 dmsp_13_ephemeris_20020821.txt 21-Jun-2023 23:58 109819 dmsp_14_ephemeris_20020821.txt 21-Jun-2023 23:58 109781 dmsp_15_ephemeris_20020821.txt 21-Jun-2023 23:58 109728