../ dmsp_08_ephemeris_19911201.txt 22-Jun-2023 15:42 109429 dmsp_09_ephemeris_19911201.txt 22-Jun-2023 15:42 109211 dmsp_10_ephemeris_19911201.txt 22-Jun-2023 15:42 109520 dmsp_11_ephemeris_19911201.txt 22-Jun-2023 15:42 109478