Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2022   09:59:49   (   0.03,-127.60) (  -0.78,-124.01)  410.07                80
 02/27/2022   22:22:18   (  -0.04,-127.57) (  -0.47,-129.42)  211.68                80
 02/28/2022   22:06:35   (  -0.04,-127.53) (   0.56,-124.98)  291.18                80
 03/02/2022   10:28:55   (   0.04,-127.44) (   0.69,-130.36)  332.53                80
 03/03/2022   10:07:52   (   0.04,-127.40) (  -0.29,-125.90)  170.07                80
 03/04/2022   22:30:20   (  -0.05,-127.36) (  -0.97,-131.32)  452.27                80
 03/05/2022   22:14:38   (  -0.04,-127.32) (   0.07,-126.88)   50.50                80
 03/08/2022   10:18:35   (   0.05,-127.18) (   0.19,-127.80)   70.77                80
 03/09/2022   09:57:31   (   0.04,-127.14) (  -0.79,-123.35)  431.27                80
 03/10/2022   22:20:00   (  -0.05,-127.08) (  -0.41,-128.77)  192.47                80
 03/11/2022   22:04:17   (  -0.05,-127.03) (   0.57,-124.32)  309.55                80