Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2023   19:14:34   (  -0.02, -75.21) (  -0.10, -75.56)   40.14                80
 10/13/2023   18:58:48   (  -0.03, -75.21) (   0.89, -71.09)  469.25                80
 10/15/2023   07:18:25   (   0.02, -75.21) (   0.33, -76.45)  142.13                80
 10/16/2023   07:00:01   (   0.03, -75.22) (  -0.72, -72.00)  367.42                80
 10/17/2023   19:22:26   (  -0.02, -75.23) (  -0.48, -77.39)  246.30                80
 10/18/2023   19:06:41   (  -0.02, -75.23) (   0.52, -72.93)  263.35                80
 10/20/2023   07:28:58   (   0.02, -75.23) (   0.69, -78.29)  347.70                80
 10/21/2023   07:07:53   (   0.02, -75.24) (  -0.32, -73.82)  161.87                80
 10/22/2023   19:30:17   (  -0.01, -75.25) (  -0.92, -79.21)  451.62                80
 10/23/2023   19:14:31   (  -0.01, -75.26) (   0.10, -74.74)   58.52                80
   1.77                41
 10/22/2023   06:08:56   (  70.42,  84.71) 10/22/2023   06:07:44  (  70.44,  84.08)   23.22                72
 10/22/2023   06:58:29   ( -70.16,-108.05) 10/22/2023   06:58:22  ( -70.13,-108.12)    3.49                 7
 10/22/2023   07:47:56   (  70.04,  59.43) 10/22/2023   07:49:06  (  70.02,  59.36)    3.35                70
 10/24/2023   22:25:26   (  70.19,-159.74) 10/24/2023   22:24:36  (  70.20,-159.77)    1.60                50
 10/24/2023   23:14:56   ( -70.09,   7.74) 10/24/2023   23:15:18  ( -70.10,   7.69)    2.52                22