Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/02/2023   00:42:19   (   0.20,-167.69) (  -0.11,-169.21)  172.61                80
 07/03/2023   00:26:16   (   0.18,-168.06) (   0.95,-164.69)  383.61                80
 07/04/2023   12:48:07   (  -0.23,-168.61) (   0.06,-170.01)  158.41                80
 07/05/2023   12:29:23   (  -0.20,-168.97) (  -1.00,-165.49)  397.34                80
 07/07/2023   00:48:43   (   0.24,-169.53) (  -0.04,-170.83)  148.58                80
 07/08/2023   00:32:39   (   0.21,-169.89) (   1.02,-166.32)  407.21                80
 07/09/2023   12:54:31   (  -0.25,-170.44) (  -0.01,-171.63)  135.03                80
 07/10/2023   12:35:47   (  -0.23,-170.80) (  -1.07,-167.12)  420.36                80
 07/12/2023   00:55:06   (   0.27,-171.35) (   0.04,-172.46)  126.52                80
 07/13/2023   00:39:03   (   0.25,-171.70) (   1.10,-167.94)  428.53                80
 07/14/2023   12:58:13   (  -0.29,-172.24) (  -0.04,-173.25)  114.79                80