../ dmsp_08_ephemeris_19911223.txt 21-Jun-2023 23:44 109473 dmsp_09_ephemeris_19911223.txt 21-Jun-2023 23:44 109351 dmsp_10_ephemeris_19911223.txt 21-Jun-2023 23:44 109456 dmsp_11_ephemeris_19911223.txt 21-Jun-2023 23:44 109539