Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2023   10:31:28   (   0.02,-125.31) (   0.73,-128.40)  352.79                80
 01/23/2023   10:15:43   (   0.02,-124.15) (  -0.00,-123.90)   28.38                80
 01/24/2023   09:57:20   (   0.02,-123.00) (  -0.80,-119.41)  409.44                80
 01/25/2023   22:17:07   (  -0.03,-121.25) (  -0.79,-124.76)  400.32                80
 01/26/2023   21:58:43   (  -0.02,-120.10) (  -0.04,-120.27)   19.04                80
 01/27/2023   21:42:58   (  -0.02,-118.94) (   0.71,-115.77)  362.18                80
 01/29/2023   10:02:36   (   0.03,-117.16) (   0.90,-121.08)  445.86                80
 01/30/2023   09:44:12   (   0.03,-116.01) (   0.15,-116.58)   64.77                80
 01/31/2023   09:28:28   (   0.03,-114.85) (  -0.60,-112.08)  316.05                80
 02/01/2023   21:48:14   (  -0.04,-113.09) (  -1.01,-117.42)  494.20                80
 02/02/2023   21:29:49   (  -0.04,-111.93) (  -0.25,-112.93)  113.21                80
 02/03/2023   21:14:05   (  -0.04,-110.77) (   0.51,-108.43)  267.58                80