Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2022   22:09:43   (  -0.08,-128.02) (   0.30,-126.26)  200.41                80
 03/18/2022   10:34:43   (   0.08,-128.07) (   0.91,-131.65)  407.98                80
 03/19/2022   10:13:41   (   0.08,-128.10) (  -0.13,-127.20)  102.53                80
 03/21/2022   22:17:48   (  -0.08,-128.17) (  -0.08,-128.18)    1.58                80
 03/24/2022   10:24:25   (   0.09,-128.23) (   0.31,-129.11)  101.10                80
 03/25/2022   10:03:22   (   0.09,-128.25) (  -0.72,-124.67)  408.23                80
 03/26/2022   22:25:51   (  -0.10,-128.27) (  -0.54,-130.09)  207.35                80
 03/27/2022   22:10:09   (  -0.10,-128.29) (   0.49,-125.64)  301.94                80
 03/29/2022   10:32:29   (   0.11,-128.32) (   0.73,-131.03)  308.48                80