../ dmsp_08_ephemeris_19911119.txt 21-Jun-2023 23:44 109488 dmsp_09_ephemeris_19911119.txt 21-Jun-2023 23:44 109335 dmsp_10_ephemeris_19911119.txt 21-Jun-2023 23:44 109501 dmsp_11_ephemeris_19911119.txt 21-Jun-2023 23:44 243