../ dmsp_10_ephemeris_19961217.txt 21-Jun-2023 23:49 109380 dmsp_11_ephemeris_19961217.txt 21-Jun-2023 23:49 109294 dmsp_12_ephemeris_19961217.txt 21-Jun-2023 23:49 109323 dmsp_13_ephemeris_19961217.txt 21-Jun-2023 23:49 109316