Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 6 27.  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)
 06/27/2023   08:42:15   (   0.21,-165.92) (  -0.25,-167.84)  218.76                80
 06/28/2023   08:18:58   (   0.24,-166.30) (   1.02,-162.87)  390.51                80
 06/29/2023   20:40:30   (  -0.20,-166.89) (  -0.10,-167.46)   64.07                80
 07/02/2023   08:36:12   (   0.20,-167.80) (   0.35,-167.09)   80.79                80
 07/03/2023   20:57:44   (  -0.17,-168.38) (   0.57,-171.68)  375.51                80
 07/04/2023   20:34:26   (  -0.20,-168.74) (  -0.65,-166.70)  232.08                80
 07/06/2023   08:56:06   (   0.17,-169.28) (  -0.30,-171.31)  232.36                80
 07/07/2023   08:32:47   (   0.21,-169.64) (   0.92,-166.34)  375.00                80
 07/08/2023   20:54:20   (  -0.17,-170.21) (  -0.01,-170.93)   81.82                80