../ dmsp_11_ephemeris_20021221.txt 21-Jun-2023 23:59 109346 dmsp_12_ephemeris_20021221.txt 21-Jun-2023 23:59 109271 dmsp_13_ephemeris_20021221.txt 21-Jun-2023 23:59 109341 dmsp_14_ephemeris_20021221.txt 21-Jun-2023 23:59 109396 dmsp_15_ephemeris_20021221.txt 21-Jun-2023 23:59 109478