Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2023   07:15:57   (  -0.04, -75.21) (   0.55, -77.91)  307.89                80
 04/09/2023   06:54:55   (  -0.05, -75.21) (  -0.47, -73.46)  199.62                80
 04/10/2023   19:20:04   (   0.04, -75.20) (  -0.79, -78.87)  418.11                80
 04/11/2023   18:59:01   (   0.04, -75.20) (   0.23, -74.42)   89.54                80
 04/14/2023   07:05:39   (  -0.03, -75.21) (  -0.02, -75.35)   14.97                80
 04/15/2023   06:44:36   (  -0.03, -75.22) (  -0.99, -70.89)  493.37                80
 04/16/2023   19:09:46   (   0.02, -75.22) (  -0.20, -76.31)  123.08                80
 04/17/2023   18:48:43   (   0.02, -75.23) (   0.77, -71.85)  385.75                80
 04/19/2023   07:13:43   (  -0.02, -75.26) (   0.43, -77.22)  224.53                80
 04/20/2023   06:52:40   (  -0.02, -75.27) (  -0.60, -72.78)  284.57                80