Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 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)
 09/23/2025   10:17:36   (  -0.07,-104.69) (  -0.03,-105.00)   34.74                80
 09/24/2025   09:56:05   (  -0.08,-104.70) (  -1.06,-100.43)  487.15                80
 09/25/2025   22:17:53   (   0.07,-104.69) (  -0.14,-105.64)  109.03                80
 09/26/2025   22:01:42   (   0.07,-104.69) (   0.89,-101.07)  412.97                80
 09/28/2025   10:23:19   (  -0.06,-104.71) (   0.32,-106.24)  175.28                80
 09/29/2025   10:01:50   (  -0.07,-104.71) (  -0.78,-101.68)  346.16                80
 09/30/2025   22:26:16   (   0.06,-104.69) (  -0.47,-106.89)  250.93                80
 10/01/2025   22:04:47   (   0.07,-104.70) (   0.63,-102.33)  270.91                80
 10/03/2025   10:29:04   (  -0.06,-104.72) (   0.57,-107.50)  316.75                80
 10/04/2025   10:07:34   (  -0.07,-104.72) (  -0.47,-102.93)  204.79                80