../ dmsp_11_ephemeris_19991206.txt 21-Jun-2023 23:53 109340 dmsp_12_ephemeris_19991206.txt 21-Jun-2023 23:53 109324 dmsp_13_ephemeris_19991206.txt 21-Jun-2023 23:53 109414 dmsp_14_ephemeris_19991206.txt 21-Jun-2023 23:53 109488 dmsp_15_ephemeris_19991206.txt 21-Jun-2023 23:53 243