Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 4 22.  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)
 05/01/2025   12:01:26   (  75.80,   6.54) 05/01/2025   12:00:16  (  75.79,   4.72)   49.61                70
 05/01/2025   12:52:16   ( -76.08, 172.85) 05/01/2025   12:51:08  ( -76.06, 172.93)    3.22                68
 05/01/2025   13:43:02   (  76.09, -19.85) 05/01/2025   13:42:06  (  76.09, -19.72)    3.52                56
 05/01/2025   14:33:45   ( -76.06, 147.58) 05/01/2025   14:33:04  ( -76.09, 147.53)    3.37                41
 05/01/2025   15:24:31   (  76.06, -45.13) 05/01/2025   15:24:03  (  76.07, -45.28)    4.07                28
 05/01/2025   16:15:15   ( -76.08, 122.14) 05/01/2025   16:15:00  ( -76.11, 122.14)    3.87                15
 05/01/2025   17:06:01   (  76.08, -70.57) 05/01/2025   17:05:59  (  76.09, -70.67)    3.14                 2
 05/01/2025   17:56:45   ( -76.09,  96.70) 05/01/2025   17:56:57  ( -76.09,  96.59)    3.07                12
 05/01/2025   18:47:31   (  76.10, -96.00) 05/01/2025   18:47:55  (  76.12, -96.07)    2.56                24
 05/01/2025   19:38:15   ( -76.11,  71.26) 05/01/2025   19:38:53  ( -76.12,  71.19)    1.88                38
 05/01/2025   20:29:01   (  76.12,-121.44) 05/01/2025   20:29:51  (  76.14,-121.46)    2.58                50
 05/01/2025   21:19:45   ( -76.13,  45.82) 05/01/2025   21:20:49  ( -76.14,  45.80)    1.21                64
 05/01/2025   22:10:33   (  76.23,-147.21) 05/01/2025   22:11:46  (  76.21,-146.69)   13.84                73