Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2022   10:06:56   (   0.11,-128.12) (  -0.68,-124.56)  405.43                80
 05/03/2022   22:26:44   (  -0.10,-128.09) (  -0.54,-129.98)  214.94                80
 05/04/2022   22:11:01   (  -0.11,-128.07) (   0.49,-125.53)  290.16                80
 05/06/2022   10:30:39   (   0.09,-128.01) (   0.77,-130.90)  329.79                80
 05/07/2022   10:14:56   (   0.10,-127.98) (  -0.26,-126.45)  174.78                80
 05/08/2022   22:34:43   (  -0.09,-127.94) (  -0.99,-131.86)  446.94                80
 05/09/2022   22:19:00   (  -0.10,-127.91) (   0.04,-127.41)   57.83                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.18,-128.33)   58.07                80
 05/13/2022   10:04:30   (   0.10,-127.78) (  -0.79,-123.87)  446.02                80
 05/14/2022   22:24:17   (  -0.08,-127.73) (  -0.44,-129.28)  177.00                80
 05/15/2022   22:08:33   (  -0.09,-127.69) (   0.55,-124.83)  326.83                80