Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 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)
 03/20/2023   22:29:05   (  -0.15,-127.83) (   0.13,-126.54)  146.45                80
 03/22/2023   10:51:27   (   0.14,-127.86) (   1.08,-131.93)  464.67                80
 03/23/2023   10:30:26   (   0.14,-127.90) (   0.04,-127.49)   46.87                80
 03/25/2023   22:34:34   (  -0.14,-128.02) (  -0.27,-128.45)   49.95                80
 03/26/2023   22:18:52   (  -0.15,-128.06) (   0.78,-124.01)  461.38                80
 03/28/2023   10:38:33   (   0.14,-128.07) (   0.45,-129.39)  150.56                80
 03/29/2023   10:20:11   (   0.15,-128.10) (  -0.55,-124.94)  360.39                80
 03/30/2023   22:42:41   (  -0.15,-128.18) (  -0.66,-130.36)  248.80                80
 03/31/2023   22:26:59   (  -0.15,-128.21) (   0.35,-125.91)  262.16                80
 04/02/2023   10:46:40   (   0.15,-128.23) (   0.86,-131.29)  349.94                80