Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 6 13.  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)
 06/14/2023   08:08:25   (   0.26,-160.82) (   0.40,-160.11)   80.39                80
 06/15/2023   20:29:59   (  -0.23,-161.45) (   0.49,-164.70)  370.81                80
 06/16/2023   20:06:41   (  -0.26,-161.84) (  -0.75,-159.74)  240.73                80
 06/18/2023   08:28:22   (   0.23,-162.44) (  -0.19,-164.35)  218.32                80
 06/19/2023   08:05:04   (   0.26,-162.83) (   1.00,-159.38)  392.61                80
 06/20/2023   20:26:37   (  -0.24,-163.44) (  -0.12,-163.97)   59.88                80
 06/23/2023   08:22:21   (   0.24,-164.42) (   0.44,-163.62)   90.97                80
 06/24/2023   20:43:53   (  -0.21,-165.03) (   0.49,-168.20)  362.15                80
 06/25/2023   20:20:35   (  -0.24,-165.41) (  -0.71,-163.23)  248.21                80