Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2025   09:59:00   (   0.02,-104.73) (  -0.19,-103.75)  111.24                80
 06/16/2025   22:20:49   (  -0.02,-104.71) (  -1.01,-108.97)  486.68                80
 06/17/2025   22:04:39   (  -0.02,-104.70) (   0.04,-104.41)   33.71                80
 06/20/2025   10:07:29   (   0.02,-104.69) (   0.11,-105.03)   38.55                80
 06/21/2025   09:45:59   (   0.01,-104.68) (  -0.94,-100.46)  481.43                80
 06/22/2025   22:07:48   (  -0.01,-104.66) (  -0.24,-105.69)  117.04                80
 06/23/2025   21:51:38   (   0.00,-104.65) (   0.81,-101.12)  402.85                80
 06/25/2025   10:13:18   (  -0.00,-104.64) (   0.38,-106.31)  190.18                80
 06/26/2025   09:51:48   (  -0.00,-104.63) (  -0.67,-101.74)  329.76                80
 06/27/2025   22:13:35   (   0.00,-104.60) (  -0.54,-106.95)  268.48                80