Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 11.  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)
 04/17/2022   16:50:03   ( -77.63,  89.65) 04/17/2022   16:48:50  ( -77.64,  89.56)    2.54                73
 04/17/2022   17:40:50   (  77.67,-103.22) 04/17/2022   17:39:44  (  77.64,-103.17)    3.24                66
 04/17/2022   18:31:35   ( -77.65,  64.15) 04/17/2022   18:30:50  ( -77.64,  64.07)    2.42                45
 04/17/2022   19:22:21   (  77.65,-128.52) 04/17/2022   19:21:43  (  77.68,-128.46)    3.53                38
 04/17/2022   20:13:07   ( -77.68,  38.65) 04/17/2022   20:12:49  ( -77.68,  38.78)    3.00                18
 04/17/2022   21:03:53   (  77.67,-154.02) 04/17/2022   21:03:43  (  77.68,-153.96)    1.66                10
 04/17/2022   21:54:38   ( -77.66,  13.35) 04/17/2022   21:54:49  ( -77.68,  13.28)    2.79                11
 04/17/2022   22:45:25   (  77.70,-179.52) 04/17/2022   22:45:43  (  77.68,-179.45)    2.80                18
 04/17/2022   23:36:10   ( -77.69, -12.15) 04/17/2022   23:36:49  ( -77.68, -12.21)    1.62                39
 04/18/2022   00:26:56   (  77.68, 155.18) 04/18/2022   00:27:43  (  77.68, 155.05)    2.91                47
 04/18/2022   01:17:42   ( -77.71, -37.65) 04/18/2022   01:18:49  ( -77.68, -37.71)    3.45                67
 04/18/2022   02:08:28   (  77.71, 129.67) 04/18/2022   02:09:42  (  77.72, 129.77)    2.58                74