../ dmsp_10_ephemeris_19990331.txt 21-Jun-2023 23:52 108177 dmsp_11_ephemeris_19990331.txt 21-Jun-2023 23:52 108368 dmsp_12_ephemeris_19990331.txt 21-Jun-2023 23:52 108298 dmsp_13_ephemeris_19990331.txt 21-Jun-2023 23:52 108221 dmsp_14_ephemeris_19990331.txt 21-Jun-2023 23:52 108171