Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2025   22:30:57   (   0.07,-104.66) (  -0.93,-108.95)  490.41                80
 09/20/2025   22:14:48   (   0.07,-104.67) (   0.15,-104.39)   31.74                80
 09/23/2025   10:17:36   (  -0.07,-104.70) (  -0.02,-105.00)   34.51                80
 09/24/2025   09:56:05   (  -0.08,-104.70) (  -1.04,-100.42)  487.32                80
 09/25/2025   22:17:52   (   0.07,-104.69) (  -0.16,-105.64)  108.72                80
 09/26/2025   22:01:43   (   0.07,-104.70) (   0.93,-101.08)  413.36                80
 09/28/2025   10:23:20   (  -0.06,-104.72) (   0.28,-106.25)  174.85                80
 09/29/2025   10:01:50   (  -0.07,-104.72) (  -0.75,-101.68)  346.63                80
 09/30/2025   22:26:17   (   0.06,-104.70) (  -0.44,-106.90)  250.32                80
 10/01/2025   22:07:27   (   0.07,-104.71) (   0.59,-102.32)  271.55                80
 10/03/2025   10:29:05   (  -0.06,-104.73) (   0.56,-107.51)  316.09                80