Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2022   10:26:13   (  -0.18,-128.48) (   0.03,-129.34)   98.97                80
 07/06/2022   10:10:28   (  -0.17,-128.47) (  -0.98,-124.89)  409.00                80
 07/07/2022   22:30:16   (   0.20,-128.46) (  -0.19,-130.31)  210.44                80
 07/08/2022   22:14:30   (   0.19,-128.45) (   0.76,-125.84)  297.27                80
 07/10/2022   10:34:10   (  -0.23,-128.45) (   0.39,-131.23)  316.83                80
 07/11/2022   10:18:24   (  -0.22,-128.43) (  -0.57,-126.76)  189.99                80
 07/12/2022   22:38:11   (   0.25,-128.39) (  -0.61,-132.18)  431.89                80
 07/13/2022   22:22:27   (   0.24,-128.38) (   0.40,-127.72)   74.82                80
 07/16/2022   10:23:41   (  -0.26,-128.35) (  -0.22,-128.65)   33.30                80
 07/17/2022   10:07:55   (  -0.24,-128.33) (  -1.18,-124.18)  473.35                80