../ dmsp_11_ephemeris_19991217.txt 22-Jun-2023 15:50 109300 dmsp_12_ephemeris_19991217.txt 22-Jun-2023 15:50 109471 dmsp_13_ephemeris_19991217.txt 22-Jun-2023 15:50 109375 dmsp_14_ephemeris_19991217.txt 22-Jun-2023 15:50 109397 dmsp_15_ephemeris_19991217.txt 22-Jun-2023 15:50 109421