../ dmsp_08_ephemeris_19911227.txt 22-Jun-2023 15:43 109498 dmsp_09_ephemeris_19911227.txt 22-Jun-2023 15:43 109320 dmsp_10_ephemeris_19911227.txt 22-Jun-2023 15:43 109459 dmsp_11_ephemeris_19911227.txt 22-Jun-2023 15:43 109385