../ dmsp_11_ephemeris_19991027.txt 21-Jun-2023 23:53 109455 dmsp_12_ephemeris_19991027.txt 21-Jun-2023 23:53 109523 dmsp_13_ephemeris_19991027.txt 21-Jun-2023 23:53 109517 dmsp_14_ephemeris_19991027.txt 21-Jun-2023 23:53 109548