../ dmsp_11_ephemeris_19991212.txt 21-Jun-2023 23:53 109505 dmsp_12_ephemeris_19991212.txt 21-Jun-2023 23:53 109460 dmsp_13_ephemeris_19991212.txt 21-Jun-2023 23:53 109351 dmsp_14_ephemeris_19991212.txt 21-Jun-2023 23:53 109336 dmsp_15_ephemeris_19991212.txt 21-Jun-2023 23:53 243