Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2023   08:28:22   (   0.23,-162.42) (  -0.19,-164.35)  219.74                80
 06/19/2023   08:05:04   (   0.26,-162.81) (   1.00,-159.37)  390.84                80
 06/20/2023   20:26:37   (  -0.24,-163.42) (  -0.12,-163.97)   62.35                80
 06/23/2023   08:22:21   (   0.24,-164.39) (   0.44,-163.62)   87.68                80
 06/24/2023   20:43:53   (  -0.21,-164.99) (   0.49,-168.20)  366.07                80
 06/25/2023   20:20:35   (  -0.24,-165.37) (  -0.71,-163.23)  243.89                80
 06/27/2023   08:42:16   (   0.21,-165.94) (  -0.20,-167.85)  216.80                80
 06/28/2023   08:18:58   (   0.24,-166.32) (   1.00,-162.87)  392.64                80
 06/29/2023   20:40:30   (  -0.20,-166.91) (  -0.08,-167.45)   62.38                80