Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2025   10:07:29   (   0.03,-104.73) (   0.09,-105.03)   33.65                80
 06/21/2025   09:46:00   (   0.02,-104.73) (  -0.95,-100.46)  487.31                80
 06/22/2025   22:07:48   (  -0.02,-104.73) (  -0.22,-105.69)  108.98                80
 06/23/2025   21:51:39   (  -0.01,-104.73) (   0.82,-101.12)  411.86                80
 06/25/2025   10:13:18   (   0.00,-104.73) (   0.36,-106.31)  180.39                80
 06/26/2025   09:51:48   (  -0.00,-104.72) (  -0.68,-101.74)  340.46                80
 06/27/2025   22:13:36   (   0.00,-104.72) (  -0.53,-106.96)  255.64                80
 06/28/2025   21:57:26   (   0.01,-104.72) (   0.52,-102.39)  265.84                80
 06/30/2025   10:19:07   (  -0.00,-104.73) (   0.62,-107.59)  325.21                80
 07/01/2025   09:57:36   (  -0.00,-104.74) (  -0.37,-103.01)  196.43                80