Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2023   07:02:49   (  -0.05, -75.20) (   0.06, -75.74)   60.91                80
 01/18/2023   06:41:49   (  -0.04, -75.21) (  -0.90, -71.29)  445.85                80
 01/19/2023   19:04:23   (   0.04, -75.22) (  -0.32, -76.73)  172.55                80
 01/20/2023   18:48:44   (   0.03, -75.22) (   0.70, -72.29)  334.43                80
 01/22/2023   07:11:09   (  -0.03, -75.23) (   0.52, -77.69)  280.24                80
 01/23/2023   06:50:09   (  -0.03, -75.24) (  -0.51, -73.26)  226.94                80
 01/24/2023   19:12:43   (   0.03, -75.26) (  -0.75, -78.68)  390.46                80
 01/25/2023   18:57:03   (   0.03, -75.28) (   0.28, -74.25)  117.50                80
 01/27/2023   07:19:29   (  -0.03, -75.30) (   0.94, -79.65)  495.17                80
 01/28/2023   06:58:28   (  -0.03, -75.32) (  -0.03, -75.20)   13.40                80