Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2025 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2025   08:12:14   (  -0.03,-104.37) (  -0.57,-102.00)  270.97                80
 04/14/2025   20:34:13   (   0.02,-104.40) (  -0.64,-107.31)  331.13                80
 04/15/2025   20:18:11   (   0.03,-104.40) (   0.40,-102.79)  184.58                80
 04/17/2025   08:40:00   (  -0.02,-104.37) (   0.82,-108.05)  420.03                80
 04/18/2025   08:18:38   (  -0.02,-104.36) (  -0.23,-103.53)   95.27                80
 04/20/2025   20:24:33   (   0.01,-104.38) (   0.02,-104.31)    8.07                80
 04/23/2025   08:27:40   (  -0.01,-104.35) (   0.13,-105.06)   80.67                80
 04/24/2025   08:06:17   (  -0.01,-104.34) (  -0.86,-100.53)  434.83                80
 04/25/2025   20:28:16   (   0.01,-104.36) (  -0.31,-105.84)  168.03                80