../ dmsp_08_ephemeris_19911227.txt 21-Jun-2023 23:44 109498 dmsp_09_ephemeris_19911227.txt 21-Jun-2023 23:44 109320 dmsp_10_ephemeris_19911227.txt 21-Jun-2023 23:44 109459 dmsp_11_ephemeris_19911227.txt 21-Jun-2023 23:44 109385