Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2025   22:09:02   (   0.10,-104.65) (   0.42,-103.13)  173.07                80
 09/17/2025   10:30:40   (  -0.09,-104.67) (   0.75,-108.32)  416.42                80
 09/18/2025   10:09:11   (  -0.10,-104.67) (  -0.33,-103.75)  105.10                80
 09/19/2025   22:30:58   (   0.09,-104.66) (  -0.88,-108.97)  490.81                80
 09/20/2025   22:14:48   (   0.10,-104.67) (   0.14,-104.39)   31.56                80
 09/23/2025   10:17:35   (  -0.09,-104.71) (  -0.01,-105.00)   34.37                80
 09/24/2025   09:56:06   (  -0.10,-104.71) (  -1.09,-100.44)  487.62                80
 09/25/2025   22:17:53   (   0.09,-104.70) (  -0.11,-105.66)  108.19                80
 09/26/2025   22:01:43   (   0.10,-104.71) (   0.92,-101.08)  414.02                80
 09/28/2025   10:23:21   (  -0.08,-104.74) (   0.24,-106.27)  173.91                80
 09/29/2025   10:01:51   (  -0.09,-104.74) (  -0.79,-101.69)  347.71                80