Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/10/2023   20:45:16   (   0.01,-103.70) (   0.59,-101.15)  290.42                80
 02/12/2023   09:04:57   (  -0.01,-102.49) (   0.90,-106.49)  455.99                80
 02/13/2023   08:46:33   (  -0.02,-101.71) (   0.07,-102.00)   34.15                80
 02/14/2023   08:30:51   (  -0.02,-100.93) (  -0.81, -97.53)  387.62                80
 02/15/2023   20:50:38   (   0.03, -99.75) (  -0.71,-102.89)  359.52                80
 02/16/2023   20:34:55   (   0.03, -98.96) (   0.18, -98.43)   62.19                80
 02/17/2023   20:16:32   (   0.03, -98.18) (   1.02, -93.95)  483.95                80
 02/19/2023   08:36:12   (  -0.04, -96.97) (   0.46, -99.28)  262.64                80
 02/20/2023   08:20:29   (  -0.04, -96.19) (  -0.37, -94.80)  159.31                80
 02/22/2023   20:21:53   (   0.04, -94.24) (  -0.29, -95.68)  164.60                80
 02/23/2023   20:06:09   (   0.04, -93.47) (   0.55, -91.20)  258.03                80