Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2022   10:10:09   (   0.01,-127.83) (  -0.25,-126.56)  144.96                80
 02/21/2022   22:32:38   (  -0.01,-127.80) (  -0.94,-131.98)  476.51                80
 02/22/2022   22:16:55   (  -0.01,-127.77) (   0.02,-127.53)   26.94                80
 02/25/2022   10:20:53   (   0.02,-127.65) (   0.21,-128.46)   92.85                80
 02/26/2022   09:59:50   (   0.02,-127.61) (  -0.82,-124.02)  409.67                80
 02/27/2022   22:22:18   (  -0.02,-127.56) (  -0.44,-129.43)  213.60                80
 02/28/2022   22:06:35   (  -0.02,-127.52) (   0.54,-124.98)  289.07                80
 03/02/2022   10:28:56   (   0.02,-127.44) (   0.66,-130.37)  333.65                80
 03/03/2022   10:07:53   (   0.02,-127.39) (  -0.31,-125.91)  168.79                80
 03/04/2022   22:30:21   (  -0.02,-127.34) (  -0.95,-131.33)  455.01                80
 03/05/2022   22:14:39   (  -0.02,-127.30) (   0.09,-126.88)   47.60                80