Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2023   20:41:46   (  -0.02,-104.73) (  -0.90,-108.78)  461.28                80
 05/01/2023   20:25:40   (  -0.02,-104.73) (   0.09,-104.24)   55.74                80
 05/04/2023   08:28:40   (   0.00,-104.74) (   0.06,-104.98)   27.48                80
 05/05/2023   08:07:14   (  -0.00,-104.74) (  -0.98,-100.45)  488.93                80
 05/06/2023   20:29:08   (   0.01,-104.73) (  -0.20,-105.75)  115.99                80
 05/07/2023   20:13:02   (   0.01,-104.73) (   0.79,-101.21)  400.61                80
 05/09/2023   08:34:47   (  -0.01,-104.73) (   0.40,-106.47)  199.73                80
 05/10/2023   08:13:22   (  -0.01,-104.72) (  -0.65,-101.95)  316.48                80
 05/11/2023   20:35:15   (   0.01,-104.70) (  -0.58,-107.24)  289.27                80
 05/12/2023   20:19:10   (   0.01,-104.70) (   0.48,-102.71)  227.40                80