../ dmsp_11_ephemeris_20000818.txt 21-Jun-2023 23:55 109713 dmsp_12_ephemeris_20000818.txt 21-Jun-2023 23:55 109741 dmsp_13_ephemeris_20000818.txt 21-Jun-2023 23:55 109689 dmsp_14_ephemeris_20000818.txt 21-Jun-2023 23:55 109749 dmsp_15_ephemeris_20000818.txt 21-Jun-2023 23:55 109733