Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 8 13.  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)
 08/21/2025   16:05:20   ( -76.07, 127.56) 08/21/2025   16:04:06  ( -76.06, 126.86)   18.68                74
 08/21/2025   16:56:08   (  76.17, -65.47) 08/21/2025   16:55:05  (  76.18, -65.45)    1.48                63
 08/21/2025   17:46:52   ( -76.18, 101.78) 08/21/2025   17:46:00  ( -76.16, 101.76)    2.59                52
 08/21/2025   18:37:38   (  76.19, -90.92) 08/21/2025   18:37:01  (  76.19, -90.88)    1.39                37
 08/21/2025   19:28:21   ( -76.21,  76.33) 08/21/2025   19:27:55  ( -76.18,  76.34)    3.18                26
 08/21/2025   20:19:07   (  76.21,-116.37) 08/21/2025   20:18:56  (  76.21,-116.30)    1.90                11
 08/21/2025   21:09:50   ( -76.18,  51.05) 08/21/2025   21:09:51  ( -76.19,  50.91)    3.71                 1
 08/21/2025   22:00:37   (  76.23,-141.82) 08/21/2025   22:00:52  (  76.23,-141.73)    2.69                15
 08/21/2025   22:51:20   ( -76.20,  25.59) 08/21/2025   22:51:47  ( -76.21,  25.49)    2.87                27
 08/21/2025   23:42:07   (  76.25,-167.28) 08/21/2025   23:42:48  (  76.24,-167.15)    3.59                41
 08/22/2025   00:32:50   ( -76.23,   0.14) 08/22/2025   00:33:43  ( -76.23,   0.06)    2.13                53
 08/22/2025   01:23:36   (  76.23, 167.44) 08/22/2025   01:24:44  (  76.26, 167.42)    2.80                68
 08/22/2025   02:14:24   ( -76.43, -25.98) 08/22/2025   02:15:36  ( -76.37, -24.86)   29.71                72