../ dmsp_10_ephemeris_19960501.txt 21-Jun-2023 23:48 109500 dmsp_11_ephemeris_19960501.txt 21-Jun-2023 23:48 109870 dmsp_12_ephemeris_19960501.txt 21-Jun-2023 23:48 109672 dmsp_13_ephemeris_19960501.txt 21-Jun-2023 23:48 109636