../ dmsp_10_ephemeris_19970409.txt 21-Jun-2023 23:49 108153 dmsp_11_ephemeris_19970409.txt 21-Jun-2023 23:49 108255 dmsp_12_ephemeris_19970409.txt 21-Jun-2023 23:49 108287 dmsp_13_ephemeris_19970409.txt 21-Jun-2023 23:49 108390 dmsp_14_ephemeris_19970409.txt 21-Jun-2023 23:49 243