../ dmsp_11_ephemeris_20020331.txt 21-Jun-2023 23:57 108253 dmsp_12_ephemeris_20020331.txt 21-Jun-2023 23:57 108238 dmsp_13_ephemeris_20020331.txt 21-Jun-2023 23:57 108420 dmsp_14_ephemeris_20020331.txt 21-Jun-2023 23:57 108280 dmsp_15_ephemeris_20020331.txt 21-Jun-2023 23:57 108302