../ dmsp_11_ephemeris_19991203.txt 21-Jun-2023 23:53 109354 dmsp_12_ephemeris_19991203.txt 21-Jun-2023 23:53 109440 dmsp_13_ephemeris_19991203.txt 21-Jun-2023 23:53 109267 dmsp_14_ephemeris_19991203.txt 21-Jun-2023 23:53 109533 dmsp_15_ephemeris_19991203.txt 21-Jun-2023 23:53 243