../ dmsp_11_ephemeris_19991101.txt 21-Jun-2023 23:53 109551 dmsp_12_ephemeris_19991101.txt 21-Jun-2023 23:53 109496 dmsp_13_ephemeris_19991101.txt 21-Jun-2023 23:53 109646 dmsp_14_ephemeris_19991101.txt 21-Jun-2023 23:53 109674