Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2022   10:28:47   (   0.32,-127.82) (   0.44,-128.52)   78.20                80
 09/20/2022   10:07:42   (   0.32,-127.85) (  -0.55,-124.05)  433.60                80
 09/21/2022   22:30:07   (  -0.30,-127.83) (  -0.67,-129.45)  185.00                80
 09/22/2022   22:14:21   (  -0.31,-127.87) (   0.33,-124.99)  327.11                80
 09/24/2022   10:34:00   (   0.29,-127.98) (   0.82,-130.38)  273.16                80
 09/25/2022   10:15:34   (   0.29,-128.01) (  -0.18,-125.92)  238.42                80
 09/26/2022   22:38:00   (  -0.27,-127.98) (  -1.03,-131.32)  381.48                80
 09/27/2022   22:22:14   (  -0.28,-128.00) (  -0.03,-126.86)  130.23                80
 09/29/2022   10:41:52   (   0.26,-128.11) (   1.18,-132.24)  470.36                80
 09/30/2022   10:26:07   (   0.27,-128.13) (   0.18,-127.78)   40.40                80
 10/02/2022   22:27:26   (  -0.26,-128.09) (  -0.42,-128.72)   71.44                80