../ dmsp_10_ephemeris_19961209.txt 21-Jun-2023 23:49 109500 dmsp_11_ephemeris_19961209.txt 21-Jun-2023 23:49 109304 dmsp_12_ephemeris_19961209.txt 21-Jun-2023 23:49 109596 dmsp_13_ephemeris_19961209.txt 21-Jun-2023 23:49 109339