../ dmsp_11_ephemeris_19991211.txt 22-Jun-2023 15:50 109374 dmsp_12_ephemeris_19991211.txt 22-Jun-2023 15:50 109213 dmsp_13_ephemeris_19991211.txt 22-Jun-2023 15:50 109341 dmsp_14_ephemeris_19991211.txt 22-Jun-2023 15:50 109472 dmsp_15_ephemeris_19991211.txt 22-Jun-2023 15:50 243