../ dmsp_08_ephemeris_19911109.txt 21-Jun-2023 23:44 109470 dmsp_09_ephemeris_19911109.txt 21-Jun-2023 23:44 109402 dmsp_10_ephemeris_19911109.txt 21-Jun-2023 23:44 109503 dmsp_11_ephemeris_19911109.txt 21-Jun-2023 23:44 243