../ dmsp_08_ephemeris_19921201.txt 21-Jun-2023 23:45 109409 dmsp_09_ephemeris_19921201.txt 21-Jun-2023 23:45 109365 dmsp_10_ephemeris_19921201.txt 21-Jun-2023 23:45 109458 dmsp_11_ephemeris_19921201.txt 21-Jun-2023 23:45 109458