../ dmsp_10_ephemeris_19971204.txt 21-Jun-2023 23:50 109621 dmsp_11_ephemeris_19971204.txt 21-Jun-2023 23:50 109457 dmsp_12_ephemeris_19971204.txt 21-Jun-2023 23:50 109402 dmsp_13_ephemeris_19971204.txt 21-Jun-2023 23:50 109412 dmsp_14_ephemeris_19971204.txt 21-Jun-2023 23:50 109560