Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2025 10 17.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 10/30/2025   21:41:05   (  77.70,-141.27) 10/30/2025   21:42:12  (  77.68,-138.50)   65.69                67
 10/30/2025   22:31:46   ( -77.54,  26.84) 10/30/2025   22:32:58  ( -77.49,  27.96)   27.44                72
 10/30/2025   23:22:27   (  77.40,-165.16) 10/30/2025   23:23:40  (  77.41,-165.09)    2.22                73
 10/31/2025   00:13:12   ( -77.40,   2.13) 10/31/2025   00:14:22  ( -77.39,   2.16)    1.20                70
 10/31/2025   01:03:56   (  77.38, 169.55) 10/31/2025   01:05:02  (  77.39, 169.50)    1.79                66
 10/31/2025   01:54:41   ( -77.39, -23.16) 10/31/2025   01:55:44  ( -77.38, -23.25)    2.48                63
 10/31/2025   02:45:26   (  77.41, 144.05) 10/31/2025   02:46:24  (  77.38, 144.08)    3.46                58
 10/31/2025   03:36:10   ( -77.37, -48.46) 10/31/2025   03:37:05  ( -77.40, -48.48)    3.55                55