Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2022   19:07:02   (  -0.05, -75.19) (  -0.81, -78.66)  395.43                80
 09/22/2022   18:51:16   (  -0.05, -75.19) (   0.19, -74.20)  113.14                80
 09/24/2022   07:10:54   (   0.04, -75.19) (   1.02, -79.57)  499.75                80
 09/25/2022   06:55:08   (   0.04, -75.19) (   0.01, -75.11)    9.20                80
 09/27/2022   18:56:28   (  -0.04, -75.21) (  -0.22, -76.06)   95.75                80
 09/28/2022   18:40:43   (  -0.04, -75.22) (   0.79, -71.60)  413.67                80
 09/30/2022   07:03:00   (   0.04, -75.22) (   0.42, -76.97)  198.38                80
 10/01/2022   06:41:55   (   0.04, -75.23) (  -0.59, -72.51)  310.85                80
 10/02/2022   19:04:19   (  -0.03, -75.25) (  -0.65, -77.90)  303.35                80
 10/03/2022   18:48:33   (  -0.03, -75.25) (   0.36, -73.44)  206.10                80