Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 3 28.  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   (  76.40,  -0.27) 04/04/2023   11:23:03  (  76.40,  -2.84)   67.14                68
 04/04/2023   12:15:03   ( -76.73, 165.79) 04/04/2023   12:13:57  ( -76.72, 165.69)    2.84                66
 04/04/2023   13:05:50   (  76.74, -26.94) 04/04/2023   13:04:54  (  76.76, -26.88)    2.75                56
 04/04/2023   13:56:35   ( -76.75, 140.32) 04/04/2023   13:55:56  ( -76.73, 140.24)    3.21                39
 04/04/2023   14:47:22   (  76.76, -52.41) 04/04/2023   14:46:53  (  76.77, -52.33)    2.22                29
 04/04/2023   15:38:07   ( -76.77, 114.85) 04/04/2023   15:37:54  ( -76.78, 114.97)    3.33                13
 04/04/2023   16:28:54   (  76.78, -77.88) 04/04/2023   16:28:52  (  76.78, -77.78)    2.52                 2
 04/04/2023   17:19:39   ( -76.80,  89.38) 04/04/2023   17:19:53  ( -76.79,  89.53)    3.80                14
 04/04/2023   18:10:26   (  76.80,-103.35) 04/04/2023   18:10:51  (  76.79,-103.23)    3.45                25
 04/04/2023   19:01:10   ( -76.77,  64.08) 04/04/2023   19:01:52  ( -76.80,  64.08)    3.31                42
 04/04/2023   19:51:57   (  76.78,-128.64) 04/04/2023   19:52:50  (  76.80,-128.68)    2.09                53
 04/04/2023   20:42:42   ( -76.80,  38.61) 04/04/2023   20:43:51  ( -76.81,  38.63)    2.13                69
 04/04/2023   21:33:35   (  77.06,-155.20) 04/04/2023   21:34:44  (  77.02,-153.21)   49.93                69