../ dmsp_10_ephemeris_19981220.txt 21-Jun-2023 23:52 109355 dmsp_11_ephemeris_19981220.txt 21-Jun-2023 23:52 109423 dmsp_12_ephemeris_19981220.txt 21-Jun-2023 23:52 109359 dmsp_13_ephemeris_19981220.txt 21-Jun-2023 23:52 109369 dmsp_14_ephemeris_19981220.txt 21-Jun-2023 23:52 109468