../ dmsp_08_ephemeris_19921213.txt 21-Jun-2023 23:45 109466 dmsp_09_ephemeris_19921213.txt 21-Jun-2023 23:45 109388 dmsp_10_ephemeris_19921213.txt 21-Jun-2023 23:45 109540 dmsp_11_ephemeris_19921213.txt 21-Jun-2023 23:45 109471