Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2023   22:46:01   (  -0.02,-130.46) (  -0.42,-132.13)  191.24                80
 01/19/2023   22:30:20   (  -0.03,-130.04) (   0.48,-127.67)  269.94                80
 01/21/2023   10:50:03   (   0.03,-129.41) (   0.84,-133.04)  413.79                80
 01/22/2023   10:34:22   (   0.03,-128.99) (  -0.07,-128.58)   47.24                80
 01/24/2023   22:35:51   (  -0.04,-127.93) (  -0.39,-129.52)  181.14                80
 01/25/2023   22:20:10   (  -0.04,-127.51) (   0.53,-125.06)  279.76                80
 01/27/2023   10:39:52   (   0.04,-126.88) (   0.85,-130.42)  404.54                80
 01/28/2023   10:24:11   (   0.04,-126.46) (  -0.07,-125.97)   56.35                80
 01/30/2023   22:25:40   (  -0.05,-125.39) (  -0.40,-126.90)  172.29                80