../ dmsp_10_ephemeris_19971231.txt 21-Jun-2023 23:50 109482 dmsp_11_ephemeris_19971231.txt 21-Jun-2023 23:50 109440 dmsp_12_ephemeris_19971231.txt 21-Jun-2023 23:50 109533 dmsp_13_ephemeris_19971231.txt 21-Jun-2023 23:50 109209 dmsp_14_ephemeris_19971231.txt 21-Jun-2023 23:50 109589