Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2022   10:18:37   (   0.05,-127.72) (   0.06,-127.83)   12.79                80
 03/09/2022   09:57:34   (   0.05,-127.76) (  -0.91,-123.38)  498.98                80
 03/10/2022   22:22:43   (  -0.06,-127.81) (  -0.30,-128.80)  112.78                80
 03/11/2022   22:01:40   (  -0.06,-127.85) (   0.74,-124.36)  398.63                80
 03/13/2022   10:26:41   (   0.07,-127.91) (   0.49,-129.74)  208.76                80
 03/14/2022   10:05:38   (   0.07,-127.95) (  -0.55,-125.30)  302.31                80
 03/15/2022   22:30:47   (  -0.08,-127.99) (  -0.67,-130.72)  310.49                80
 03/16/2022   22:09:44   (  -0.08,-128.03) (   0.31,-126.27)  200.46                80
 03/18/2022   10:34:44   (   0.08,-128.08) (   0.91,-131.65)  407.42                80
 03/19/2022   10:13:42   (   0.08,-128.12) (  -0.13,-127.21)  103.15                80