Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2025   22:27:30   (   0.00,-104.68) (  -0.61,-107.24)  293.20                80
 10/22/2025   22:11:20   (  -0.00,-104.68) (   0.47,-102.67)  229.13                80
 10/24/2025   10:32:56   (   0.02,-104.71) (   0.74,-107.84)  357.72                80
 10/25/2025   10:11:25   (   0.02,-104.70) (  -0.29,-103.26)  163.98                80
 10/26/2025   22:33:10   (  -0.03,-104.67) (  -0.90,-108.47)  434.15                80
 10/27/2025   22:16:59   (  -0.02,-104.67) (   0.13,-103.89)   87.83                80
 10/29/2025   10:38:36   (   0.03,-104.70) (   1.02,-109.07)  498.78                80
 10/30/2025   10:17:05   (   0.02,-104.69) (  -0.02,-104.49)   22.83                80
 11/01/2025   22:19:57   (  -0.03,-104.65) (  -0.16,-105.11)   53.48                80
 11/02/2025   22:03:47   (  -0.03,-104.65) (   0.94,-100.55)  468.81                80
 11/04/2025   10:25:23   (   0.04,-104.69) (   0.26,-105.72)  117.35                80