Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/14/2023   08:30:50   (  -0.02,-100.93) (  -0.81, -97.53)  387.95                80
 02/15/2023   20:50:37   (   0.03, -99.75) (  -0.70,-102.89)  359.11                80
 02/16/2023   20:34:54   (   0.03, -98.96) (   0.14, -98.41)   62.61                80
 02/17/2023   20:16:31   (   0.03, -98.18) (   0.98, -93.93)  484.49                80
 02/19/2023   08:36:11   (  -0.04, -96.97) (   0.48, -99.27)  261.92                80
 02/20/2023   08:20:27   (  -0.04, -96.19) (  -0.37, -94.79)  160.11                80
 02/22/2023   20:21:51   (   0.04, -94.24) (  -0.27, -95.68)  163.57                80
 02/23/2023   20:06:07   (   0.04, -93.47) (   0.53, -91.19)  259.19                80
 02/25/2023   08:25:47   (  -0.04, -92.27) (   0.91, -96.53)  485.44                80
 02/26/2023   08:07:24   (  -0.04, -91.50) (   0.05, -92.06)   62.70                80
 02/27/2023   07:51:39   (  -0.05, -90.73) (  -0.75, -87.57)  360.07                80