Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2023   21:22:02   (   0.00,-104.65) (  -0.48,-106.68)  232.62                80
 11/24/2023   21:06:17   (   0.01,-104.65) (   0.59,-102.23)  277.34                80
 11/26/2023   09:28:32   (  -0.00,-104.69) (   0.63,-107.58)  328.85                80
 11/27/2023   09:07:26   (  -0.01,-104.69) (  -0.39,-103.11)  180.83                80
 11/28/2023   21:29:48   (   0.00,-104.65) (  -0.89,-108.48)  436.79                80
 11/29/2023   21:14:01   (   0.00,-104.65) (   0.13,-104.01)   73.15                80
 12/02/2023   09:17:50   (   0.01,-104.69) (   0.04,-104.90)   22.54                80
 12/03/2023   08:56:43   (   0.01,-104.70) (  -0.93,-100.41)  487.61                80
 12/04/2023   21:19:06   (  -0.02,-104.67) (  -0.28,-105.80)  129.46                80
 12/05/2023   21:03:20   (  -0.02,-104.67) (   0.75,-101.33)  380.95                80