../ dmsp_11_ephemeris_19991001.txt 21-Jun-2023 23:53 109622 dmsp_12_ephemeris_19991001.txt 21-Jun-2023 23:53 109708 dmsp_13_ephemeris_19991001.txt 21-Jun-2023 23:53 109687 dmsp_14_ephemeris_19991001.txt 21-Jun-2023 23:53 109737