Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 6 23.  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)
 06/23/2023   08:22:21   (   0.24,-164.37) (   0.43,-163.62)   86.67                80
 06/24/2023   20:43:53   (  -0.21,-164.98) (   0.50,-168.20)  367.04                80
 06/25/2023   20:20:34   (  -0.24,-165.36) (  -0.70,-163.22)  242.72                80
 06/27/2023   08:42:16   (   0.21,-165.92) (  -0.21,-167.84)  218.65                80
 06/28/2023   08:18:57   (   0.24,-166.30) (   1.00,-162.87)  390.59                80
 06/29/2023   20:40:30   (  -0.20,-166.89) (  -0.08,-167.45)   64.40                80
 07/02/2023   08:36:12   (   0.20,-167.80) (   0.39,-167.10)   80.84                80
 07/03/2023   20:57:44   (  -0.17,-168.38) (   0.58,-171.67)  375.95                80
 07/04/2023   20:34:25   (  -0.20,-168.74) (  -0.63,-166.70)  231.64                80
 07/06/2023   08:56:06   (   0.17,-169.28) (  -0.31,-171.31)  232.44                80