../ dmsp_11_ephemeris_19991217.txt 21-Jun-2023 23:54 109300 dmsp_12_ephemeris_19991217.txt 21-Jun-2023 23:54 109471 dmsp_13_ephemeris_19991217.txt 21-Jun-2023 23:54 109375 dmsp_14_ephemeris_19991217.txt 21-Jun-2023 23:54 109397 dmsp_15_ephemeris_19991217.txt 21-Jun-2023 23:54 109421