Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 20.  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   10:17:35   (  -0.07,-104.69) (  -0.02,-105.00)   34.54                80
 09/24/2025   09:56:05   (  -0.08,-104.70) (  -1.04,-100.42)  487.27                80
 09/25/2025   22:17:52   (   0.07,-104.69) (  -0.16,-105.64)  108.82                80
 09/26/2025   22:01:42   (   0.07,-104.69) (   0.87,-101.07)  413.23                80
 09/28/2025   10:23:20   (  -0.06,-104.72) (   0.27,-106.25)  174.97                80
 09/29/2025   10:01:50   (  -0.07,-104.72) (  -0.76,-101.68)  346.50                80
 09/30/2025   22:26:17   (   0.06,-104.70) (  -0.42,-106.90)  250.49                80
 10/01/2025   22:04:47   (   0.07,-104.70) (   0.61,-102.32)  271.38                80
 10/03/2025   10:29:04   (  -0.06,-104.73) (   0.59,-107.50)  316.23                80
 10/04/2025   10:07:33   (  -0.07,-104.73) (  -0.45,-102.92)  205.37                80