Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2023   07:01:07   (  -0.05, -75.19) (  -0.05, -75.20)    0.95                80
 01/30/2023   19:02:40   (   0.05, -75.20) (  -0.19, -76.18)  112.44                80
 01/31/2023   18:46:59   (   0.04, -75.20) (   0.80, -71.74)  394.82                80
 02/02/2023   07:09:24   (  -0.04, -75.22) (   0.40, -77.14)  218.98                80
 02/03/2023   06:48:24   (  -0.03, -75.23) (  -0.60, -72.70)  288.46                80
 02/04/2023   19:10:57   (   0.03, -75.24) (  -0.60, -78.13)  328.95                80
 02/05/2023   18:52:37   (   0.02, -75.25) (   0.40, -73.69)  179.30                80
 02/07/2023   07:17:41   (  -0.00, -75.28) (   0.86, -79.08)  432.81                80
 02/08/2023   06:56:41   (  -0.01, -75.30) (  -0.15, -74.63)   75.42                80