Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2022   22:43:01   (  -0.03,-137.20) (  -0.45,-139.03)  208.47                80
 06/30/2022   22:21:38   (  -0.02,-137.20) (   0.57,-134.50)  307.10                80
 07/02/2022   10:46:07   (   0.03,-137.19) (   0.61,-139.77)  294.34                80
 07/03/2022   10:24:44   (   0.02,-137.19) (  -0.41,-135.25)  221.05                80
 07/04/2022   22:49:22   (  -0.03,-137.18) (  -0.76,-140.56)  385.10                80
 07/05/2022   22:27:59   (  -0.03,-137.17) (   0.26,-136.04)  130.08                80
 07/07/2022   10:52:27   (   0.03,-137.16) (   0.98,-141.30)  472.38                80
 07/08/2022   10:31:03   (   0.02,-137.15) (  -0.04,-136.77)   42.27                80
 07/10/2022   22:36:58   (  -0.01,-137.10) (  -0.10,-137.56)   51.83                80
 07/11/2022   22:15:35   (  -0.00,-137.08) (   0.92,-133.04)  461.73                80