Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 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)
 04/15/2022   10:17:03   (   0.12,-128.38) (   0.01,-127.80)   65.58                80
 04/17/2022   22:21:09   (  -0.12,-128.37) (  -0.21,-128.77)   45.31                80
 04/18/2022   22:05:26   (  -0.12,-128.36) (   0.81,-124.32)  461.29                80
 04/20/2022   10:26:47   (   0.11,-128.33) (   0.45,-129.69)  155.97                23
 04/21/2022   10:06:41   (   0.12,-128.31) (  -0.57,-125.24)  349.91                80
 04/22/2022   22:29:10   (  -0.11,-128.30) (  -0.62,-130.67)  269.79                80
 04/23/2022   22:13:25   (  -0.12,-128.28) (   0.34,-126.21)  236.20                80
 04/25/2022   10:33:05   (   0.12,-128.24) (   0.86,-131.59)  381.18                80
 04/26/2022   10:17:20   (   0.12,-128.23) (  -0.10,-127.13)  124.60                80
 04/27/2022   22:37:09   (  -0.11,-128.20) (  -1.07,-132.56)  495.67                80
 04/28/2022   22:21:25   (  -0.12,-128.19) (  -0.10,-128.10)   10.28                80