Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 8 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)
 08/21/2025   16:05:19   ( -76.03, 127.71) 08/21/2025   16:04:06  ( -76.05, 126.83)   23.64                73
 08/21/2025   16:56:08   (  76.17, -65.48) 08/21/2025   16:55:05  (  76.17, -65.48)    0.06                63
 08/21/2025   17:46:52   ( -76.19, 101.78) 08/21/2025   17:45:59  ( -76.20, 101.90)    3.38                53
 08/21/2025   18:37:38   (  76.19, -90.93) 08/21/2025   18:37:01  (  76.18, -90.91)    0.93                37
 08/21/2025   19:28:22   ( -76.21,  76.33) 08/21/2025   19:27:55  ( -76.21,  76.47)    3.87                27
 08/21/2025   20:19:08   (  76.21,-116.38) 08/21/2025   20:18:57  (  76.20,-116.34)    1.90                11
 08/21/2025   21:09:51   ( -76.18,  51.04) 08/21/2025   21:09:52  ( -76.18,  50.88)    4.18                 1
 08/21/2025   22:00:38   (  76.23,-141.83) 08/21/2025   22:00:53  (  76.22,-141.76)    2.88                15
 08/21/2025   22:51:21   ( -76.21,  25.59) 08/21/2025   22:51:48  ( -76.20,  25.46)    3.55                27
 08/21/2025   23:42:07   (  76.21,-167.12) 08/21/2025   23:42:49  (  76.23,-167.19)    2.77                42
 08/22/2025   00:32:50   ( -76.23,   0.14) 08/22/2025   00:33:43  ( -76.22,   0.03)    3.09                53
 08/22/2025   01:23:36   (  76.23, 167.43) 08/22/2025   01:24:44  (  76.25, 167.39)    1.78                68
 08/22/2025   02:14:24   ( -76.43, -25.98) 08/22/2025   02:15:36  ( -76.36, -24.89)   29.30                72