../ dmsp_10_ephemeris_19990915.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990915.txt 21-Jun-2023 23:53 109777 dmsp_12_ephemeris_19990915.txt 21-Jun-2023 23:53 109812 dmsp_13_ephemeris_19990915.txt 21-Jun-2023 23:53 109726 dmsp_14_ephemeris_19990915.txt 21-Jun-2023 23:53 109764