Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 3 30.  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)
 04/04/2023   11:24:10   (  76.37,  -0.15) 04/04/2023   11:23:03  (  76.39,  -2.87)   71.44                67
 04/04/2023   12:15:03   ( -76.74, 165.74) 04/04/2023   12:13:56  ( -76.75, 165.83)    2.45                67
 04/04/2023   13:05:50   (  76.75, -26.98) 04/04/2023   13:04:54  (  76.75, -26.92)    1.70                56
 04/04/2023   13:56:35   ( -76.76, 140.27) 04/04/2023   13:55:55  ( -76.76, 140.38)    2.85                40
 04/04/2023   14:47:22   (  76.77, -52.46) 04/04/2023   14:46:53  (  76.76, -52.37)    2.51                29
 04/04/2023   15:38:06   ( -76.74, 114.97) 04/04/2023   15:37:54  ( -76.77, 114.93)    3.47                12
 04/04/2023   16:28:53   (  76.75, -77.75) 04/04/2023   16:28:52  (  76.77, -77.82)    2.91                 1
 04/04/2023   17:19:38   ( -76.76,  89.50) 04/04/2023   17:19:53  ( -76.78,  89.48)    2.10                15
 04/04/2023   18:10:25   (  76.77,-103.22) 04/04/2023   18:10:51  (  76.78,-103.27)    1.57                26
 04/04/2023   19:01:10   ( -76.79,  64.03) 04/04/2023   19:01:52  ( -76.79,  64.04)    0.79                42
 04/04/2023   19:51:57   (  76.79,-128.69) 04/04/2023   19:52:50  (  76.79,-128.72)    0.83                53
 04/04/2023   20:42:42   ( -76.81,  38.56) 04/04/2023   20:43:51  ( -76.80,  38.59)    0.85                69
 04/04/2023   21:33:35   (  77.08,-155.25) 04/04/2023   21:34:44  (  77.01,-153.25)   50.43                69