Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 3 21.  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   11:24:11   (  76.42,  -0.32) 04/04/2023   11:23:03  (  76.44,  -2.70)   62.11                68
 04/04/2023   12:15:03   ( -76.74, 165.74) 04/04/2023   12:13:57  ( -76.75, 165.85)    3.22                66
 04/04/2023   13:05:50   (  76.75, -26.99) 04/04/2023   13:04:55  (  76.75, -26.92)    2.00                55
 04/04/2023   13:56:35   ( -76.76, 140.27) 04/04/2023   13:55:56  ( -76.77, 140.41)    3.45                39
 04/04/2023   14:47:22   (  76.77, -52.46) 04/04/2023   14:46:54  (  76.76, -52.37)    2.99                28
 04/04/2023   15:38:06   ( -76.74, 114.98) 04/04/2023   15:37:55  ( -76.78, 114.96)    4.07                11
 04/04/2023   16:28:53   (  76.75, -77.76) 04/04/2023   16:28:53  (  76.77, -77.81)    2.43                 0
 04/04/2023   17:19:38   ( -76.76,  89.51) 04/04/2023   17:19:54  ( -76.79,  89.52)    2.87                16
 04/04/2023   18:10:25   (  76.77,-103.23) 04/04/2023   18:10:52  (  76.78,-103.26)    1.09                27
 04/04/2023   19:01:10   ( -76.79,  64.04) 04/04/2023   19:01:53  ( -76.80,  64.07)    1.88                43
 04/04/2023   19:51:57   (  76.80,-128.70) 04/04/2023   19:52:51  (  76.79,-128.71)    0.63                54
 04/04/2023   20:42:42   ( -76.81,  38.57) 04/04/2023   20:43:52  ( -76.81,  38.63)    1.56                70