Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2023   09:04:57   (  -0.01,-102.49) (   0.86,-106.49)  455.96                80
 02/13/2023   08:46:34   (  -0.02,-101.71) (   0.04,-102.01)   34.04                80
 02/14/2023   08:30:50   (  -0.02,-100.93) (  -0.79, -97.53)  387.67                80
 02/15/2023   20:50:38   (   0.03, -99.75) (  -0.67,-102.90)  359.45                80
 02/16/2023   20:34:55   (   0.03, -98.96) (   0.16, -98.42)   62.18                80
 02/17/2023   20:16:32   (   0.03, -98.18) (   0.99, -93.94)  484.01                80
 02/19/2023   08:36:12   (  -0.04, -96.97) (   0.48, -99.28)  262.54                80
 02/20/2023   08:20:28   (  -0.04, -96.19) (  -0.35, -94.80)  159.40                80
 02/22/2023   20:21:52   (   0.04, -94.24) (  -0.31, -95.68)  164.51                80
 02/23/2023   20:06:09   (   0.04, -93.47) (   0.53, -91.20)  258.16                80