Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2025   10:20:30   (   0.01,-104.74) (   0.81,-108.33)  408.92                80
 06/15/2025   09:59:01   (   0.01,-104.73) (  -0.23,-103.76)  111.11                80
 06/16/2025   22:20:49   (  -0.01,-104.71) (  -0.96,-108.98)  487.06                80
 06/17/2025   22:04:40   (  -0.01,-104.70) (   0.08,-104.42)   33.42                80
 06/20/2025   10:07:30   (   0.01,-104.69) (   0.06,-105.04)   38.81                80
 06/21/2025   09:46:00   (   0.00,-104.68) (  -0.98,-100.47)  481.24                80
 06/22/2025   22:07:47   (  -0.00,-104.66) (  -0.25,-105.68)  117.43                80
 06/23/2025   21:51:38   (   0.00,-104.65) (   0.80,-101.11)  402.54                80
 06/25/2025   10:13:17   (  -0.00,-104.64) (   0.39,-106.30)  190.19                80
 06/26/2025   09:51:48   (   0.00,-104.63) (  -0.66,-101.73)  329.83                80