Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2023   08:46:33   (  -0.02,-101.71) (   0.06,-102.00)   33.88                80
 02/14/2023   08:30:50   (  -0.02,-100.93) (  -0.77, -97.52)  387.84                80
 02/15/2023   20:50:38   (   0.03, -99.75) (  -0.69,-102.90)  359.24                80
 02/16/2023   20:34:54   (   0.03, -98.96) (   0.15, -98.42)   62.42                80
 02/17/2023   20:16:31   (   0.03, -98.18) (   0.99, -93.94)  484.30                80
 02/19/2023   08:36:11   (  -0.04, -96.97) (   0.48, -99.27)  262.17                80
 02/20/2023   08:20:28   (  -0.04, -96.19) (  -0.36, -94.79)  159.82                80
 02/22/2023   20:21:52   (   0.04, -94.24) (  -0.29, -95.68)  163.96                80
 02/23/2023   20:06:08   (   0.04, -93.47) (   0.56, -91.20)  258.74                80
 02/25/2023   08:25:48   (  -0.04, -92.27) (   0.89, -96.54)  485.98                80
 02/26/2023   08:07:24   (  -0.04, -91.50) (   0.10, -92.05)   63.25                80