Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2023   00:13:26   (   0.11,-164.25) (   0.72,-161.42)  321.88                80
 06/24/2023   12:32:38   (  -0.15,-164.84) (   0.26,-166.75)  216.87                80
 06/25/2023   12:16:34   (  -0.13,-165.22) (  -0.79,-162.23)  341.08                80
 06/27/2023   00:35:55   (   0.16,-165.81) (  -0.21,-167.58)  201.58                80
 06/28/2023   00:19:51   (   0.14,-166.19) (   0.84,-163.06)  355.99                80
 06/29/2023   12:39:03   (  -0.18,-166.76) (   0.18,-168.38)  184.08                80
 06/30/2023   12:22:59   (  -0.16,-167.13) (  -0.87,-163.86)  372.68                80
 07/02/2023   00:42:19   (   0.20,-167.70) (  -0.12,-169.21)  172.14                80
 07/03/2023   00:26:16   (   0.19,-168.07) (   0.93,-164.70)  384.05                80
 07/04/2023   12:45:27   (  -0.22,-168.62) (   0.08,-170.01)  157.81                80
 07/05/2023   12:29:24   (  -0.20,-168.98) (  -0.97,-165.49)  397.94                80