Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 7 12.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2025   13:36:03   (  76.13, -16.17) 07/20/2025   13:34:49  (  76.11, -16.23)    2.57                74
 07/20/2025   14:26:47   ( -76.11, 151.20) 07/20/2025   14:25:45  ( -76.12, 151.07)    3.53                62
 07/20/2025   15:17:33   (  76.15, -41.63) 07/20/2025   15:16:45  (  76.13, -41.65)    2.68                48
 07/20/2025   16:08:17   ( -76.14, 125.75) 07/20/2025   16:07:41  ( -76.14, 125.65)    2.57                36
 07/20/2025   16:59:03   (  76.18, -67.08) 07/20/2025   16:58:41  (  76.15, -67.07)    3.18                22
 07/20/2025   17:49:47   ( -76.16, 100.29) 07/20/2025   17:49:37  ( -76.16, 100.23)    1.72                10
 07/20/2025   18:40:32   (  76.15, -92.37) 07/20/2025   18:40:37  (  76.17, -92.49)    3.47                 5
 07/20/2025   19:31:17   ( -76.18,  74.84) 07/20/2025   19:31:33  ( -76.17,  74.81)    1.29                16
 07/20/2025   20:22:02   (  76.18,-117.82) 07/20/2025   20:22:33  (  76.18,-117.91)    2.40                31
 07/20/2025   21:12:47   ( -76.21,  49.39) 07/20/2025   21:13:29  ( -76.19,  49.39)    1.64                42
 07/20/2025   22:03:32   (  76.20,-143.28) 07/20/2025   22:04:29  (  76.20,-143.33)    1.39                57
 07/20/2025   22:54:17   ( -76.23,  23.93) 07/20/2025   22:55:25  ( -76.21,  23.96)    2.46                68
 07/20/2025   23:45:10   (  76.58,-170.09) 07/20/2025   23:46:18  (  76.52,-167.57)   65.31                68