Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2022   10:44:23   (   0.04,-137.33) (   0.64,-139.90)  293.98                80
 10/23/2022   10:28:18   (   0.04,-137.33) (  -0.39,-135.38)  222.30                80
 10/24/2022   22:47:34   (  -0.04,-137.32) (  -0.76,-140.68)  382.64                80
 10/25/2022   22:31:29   (  -0.04,-137.31) (   0.22,-136.14)  133.22                80
 10/27/2022   10:50:36   (   0.04,-137.29) (   0.96,-141.41)  469.14                80
 10/28/2022   10:34:31   (   0.04,-137.27) (  -0.03,-136.87)   45.99                80
 10/30/2022   22:35:02   (  -0.03,-137.23) (  -0.14,-137.63)   46.66                80
 10/31/2022   22:18:57   (  -0.03,-137.20) (   0.91,-133.11)  467.74                80
 11/02/2022   10:38:03   (   0.02,-137.17) (   0.32,-138.36)  136.35                80
 11/03/2022   10:21:59   (   0.02,-137.15) (  -0.73,-133.83)  377.97                80