Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2025   10:09:04   (   0.03,-104.73) (   1.00,-109.07)  494.34                80
 01/23/2025   09:47:39   (   0.04,-104.74) (  -0.04,-104.52)   25.98                80
 01/25/2025   21:50:50   (  -0.05,-104.71) (  -0.16,-105.23)   59.22                80
 01/26/2025   21:34:46   (  -0.05,-104.72) (   0.89,-100.68)  460.98                80
 01/28/2025   09:56:32   (   0.06,-104.80) (   0.30,-105.90)  125.05                80
 01/29/2025   09:35:07   (   0.06,-104.81) (  -0.75,-101.36)  394.98                80
 01/30/2025   21:57:03   (  -0.06,-104.76) (  -0.46,-106.61)  210.40                80
 01/31/2025   21:40:57   (  -0.06,-104.78) (   0.55,-102.06)  309.95                80
 02/02/2025   10:02:43   (   0.06,-104.87) (   0.63,-107.28)  275.62                80
 02/03/2025   09:41:19   (   0.07,-104.88) (  -0.43,-102.74)  244.63                80