../ dmsp_11_ephemeris_19991224.txt 21-Jun-2023 23:54 109251 dmsp_12_ephemeris_19991224.txt 21-Jun-2023 23:54 109423 dmsp_13_ephemeris_19991224.txt 21-Jun-2023 23:54 109356 dmsp_14_ephemeris_19991224.txt 21-Jun-2023 23:54 109436 dmsp_15_ephemeris_19991224.txt 21-Jun-2023 23:54 109466