Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 3 27.  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   (  76.38,  -0.19) 04/04/2023   11:23:04  (  76.36,  -3.01)   74.03                67
 04/04/2023   12:15:04   ( -76.75, 165.70) 04/04/2023   12:13:57  ( -76.72, 165.70)    3.53                67
 04/04/2023   13:05:51   (  76.76, -27.02) 04/04/2023   13:04:54  (  76.76, -26.88)    3.66                57
 04/04/2023   13:56:35   ( -76.73, 140.40) 04/04/2023   13:55:56  ( -76.73, 140.25)    3.94                39
 04/04/2023   14:47:22   (  76.73, -52.32) 04/04/2023   14:46:53  (  76.77, -52.33)    3.75                29
 04/04/2023   15:38:07   ( -76.75, 114.94) 04/04/2023   15:37:55  ( -76.74, 114.80)    3.56                12
 04/04/2023   16:28:54   (  76.76, -77.78) 04/04/2023   16:28:52  (  76.78, -77.78)    2.46                 2
 04/04/2023   17:19:39   ( -76.77,  89.47) 04/04/2023   17:19:53  ( -76.79,  89.53)    3.01                14
 04/04/2023   18:10:26   (  76.78,-103.25) 04/04/2023   18:10:51  (  76.79,-103.23)    1.33                25
 04/04/2023   19:01:11   ( -76.79,  64.00) 04/04/2023   19:01:52  ( -76.81,  64.09)    2.60                41
 04/04/2023   19:51:58   (  76.80,-128.72) 04/04/2023   19:52:50  (  76.80,-128.68)    1.13                52
 04/04/2023   20:42:43   ( -76.82,  38.53) 04/04/2023   20:43:51  ( -76.82,  38.64)    2.82                68
 04/04/2023   21:33:35   (  77.04,-155.10) 04/04/2023   21:34:45  (  76.98,-153.39)   43.13                70