Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2023   12:41:42   (  -0.19,-166.75) (   0.16,-168.38)  184.70                80
 06/30/2023   12:22:59   (  -0.16,-167.12) (  -0.89,-163.86)  372.01                80
 07/02/2023   00:42:18   (   0.20,-167.69) (  -0.16,-169.20)  172.65                80
 07/03/2023   00:26:16   (   0.18,-168.06) (   0.96,-164.70)  383.57                80
 07/04/2023   12:45:26   (  -0.22,-168.61) (   0.11,-170.00)  158.43                80
 07/05/2023   12:29:24   (  -0.20,-168.97) (  -1.01,-165.49)  397.31                80
 07/07/2023   00:48:43   (   0.24,-169.53) (  -0.03,-170.84)  148.61                80
 07/08/2023   00:32:39   (   0.21,-169.89) (   1.03,-166.32)  407.22                80
 07/09/2023   12:51:50   (  -0.25,-170.44) (   0.03,-171.62)  134.99                80
 07/10/2023   12:35:46   (  -0.23,-170.80) (  -1.03,-167.11)  420.40                80
 07/12/2023   00:55:06   (   0.27,-171.35) (   0.00,-172.45)  126.45                80
 07/13/2023   00:39:02   (   0.25,-171.70) (   1.07,-167.94)  428.64                80