Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2022   22:14:27   (  -0.40,-128.06) (   0.19,-125.37)  306.21                80
 08/17/2022   10:36:44   (   0.41,-128.09) (   0.99,-130.74)  302.64                80
 08/18/2022   10:15:38   (   0.40,-128.08) (   0.02,-126.28)  204.97                80
 08/19/2022   22:38:06   (  -0.40,-128.05) (  -1.21,-131.70)  415.66                80
 08/20/2022   22:22:20   (  -0.40,-128.04) (  -0.23,-127.23)   92.31                80
 08/23/2022   10:26:12   (   0.39,-128.06) (   0.43,-128.14)    9.78                80
 08/24/2022   10:05:08   (   0.38,-128.05) (  -0.61,-123.69)  497.32                80
 08/25/2022   22:27:34   (  -0.39,-128.00) (  -0.63,-129.10)  125.03                80
 08/26/2022   22:11:48   (  -0.38,-127.99) (   0.36,-124.63)  382.48                80
 08/28/2022   10:34:06   (   0.38,-128.02) (   0.83,-130.01)  226.59                80