../ dmsp_08_ephemeris_19921001.txt 21-Jun-2023 23:45 109530 dmsp_09_ephemeris_19921001.txt 21-Jun-2023 23:45 109363 dmsp_10_ephemeris_19921001.txt 21-Jun-2023 23:45 109700 dmsp_11_ephemeris_19921001.txt 21-Jun-2023 23:45 109753