../ dmsp_08_ephemeris_19921009.txt 21-Jun-2023 23:45 109508 dmsp_09_ephemeris_19921009.txt 21-Jun-2023 23:45 109450 dmsp_10_ephemeris_19921009.txt 21-Jun-2023 23:45 109697 dmsp_11_ephemeris_19921009.txt 21-Jun-2023 23:45 109538