Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2022   22:11:56   (   0.26,-128.31) (   0.96,-125.12)  363.39                80
 07/21/2022   10:31:35   (  -0.29,-128.30) (   0.21,-130.50)  251.58                80
 07/22/2022   10:15:50   (  -0.28,-128.28) (  -0.81,-126.05)  254.73                80
 07/23/2022   22:35:37   (   0.32,-128.23) (  -0.43,-131.45)  367.72                80
 07/24/2022   22:19:52   (   0.31,-128.21) (   0.59,-127.00)  138.48                80
 07/26/2022   10:39:29   (  -0.34,-128.19) (   0.63,-132.37)  476.80                80
 07/27/2022   10:23:45   (  -0.33,-128.17) (  -0.40,-127.92)   28.83                80
 07/29/2022   22:25:07   (   0.35,-128.08) (   0.18,-128.87)   89.36                80
 07/30/2022   22:09:21   (   0.33,-128.06) (   1.15,-124.40)  416.33                80
 08/01/2022   10:29:00   (  -0.36,-128.03) (   0.00,-129.79)  199.13                80