../ dmsp_11_ephemeris_20011221.txt 21-Jun-2023 23:57 109277 dmsp_12_ephemeris_20011221.txt 21-Jun-2023 23:57 109412 dmsp_13_ephemeris_20011221.txt 21-Jun-2023 23:57 109323 dmsp_14_ephemeris_20011221.txt 21-Jun-2023 23:57 109362 dmsp_15_ephemeris_20011221.txt 21-Jun-2023 23:57 109406