../ dmsp_08_ephemeris_19911216.txt 21-Jun-2023 23:44 109495 dmsp_09_ephemeris_19911216.txt 21-Jun-2023 23:44 109302 dmsp_10_ephemeris_19911216.txt 21-Jun-2023 23:44 109506 dmsp_11_ephemeris_19911216.txt 21-Jun-2023 23:44 109418