Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 5 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2023   08:45:49   (   0.00,-104.72) (  -0.93,-100.66)  463.79                80
 05/23/2023   21:08:17   (   0.00,-104.71) (  -0.29,-106.07)  154.20                80
 05/24/2023   20:52:33   (   0.01,-104.71) (   0.68,-101.60)  353.91                80
 05/26/2023   09:14:52   (  -0.01,-104.72) (   0.52,-106.97)  257.29                80
 05/27/2023   08:53:49   (  -0.02,-104.72) (  -0.51,-102.52)  250.75                80
 05/28/2023   21:16:16   (   0.02,-104.71) (  -0.74,-107.92)  367.10                80
 05/29/2023   21:00:32   (   0.02,-104.71) (   0.30,-103.47)  141.38                80
 05/31/2023   09:22:52   (  -0.02,-104.73) (   0.90,-108.84)  469.00                80
 06/01/2023   09:01:47   (  -0.02,-104.73) (  -0.08,-104.38)   39.15                80
 06/03/2023   21:05:51   (   0.03,-104.70) (  -0.11,-105.33)   71.55                80
 06/04/2023   20:50:08   (   0.04,-104.70) (   0.93,-100.88)  436.36                80