../ dmsp_10_ephemeris_19990916.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990916.txt 21-Jun-2023 23:53 109654 dmsp_12_ephemeris_19990916.txt 21-Jun-2023 23:53 109804 dmsp_13_ephemeris_19990916.txt 21-Jun-2023 23:53 109787 dmsp_14_ephemeris_19990916.txt 21-Jun-2023 23:53 109525