../ dmsp_10_ephemeris_19961221.txt 21-Jun-2023 23:49 109370 dmsp_11_ephemeris_19961221.txt 21-Jun-2023 23:49 109360 dmsp_12_ephemeris_19961221.txt 21-Jun-2023 23:49 109309 dmsp_13_ephemeris_19961221.txt 21-Jun-2023 23:49 109224