Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 4 21.  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)
 04/21/2023   06:47:30   (   0.19,-136.55) (  -0.35,-138.99)  277.13                80
 04/22/2023   06:24:11   (   0.19,-137.03) (   0.84,-134.01)  344.15                80
 04/23/2023   18:45:46   (  -0.20,-137.77) (  -0.01,-138.61)   96.29                80
 04/26/2023   06:41:30   (   0.21,-138.98) (   0.38,-138.28)   80.91                80
 04/27/2023   19:03:04   (  -0.22,-139.71) (   0.49,-142.87)  360.56                80
 04/28/2023   18:39:45   (  -0.22,-140.18) (  -0.71,-137.89)  260.26                80
 04/30/2023   07:01:27   (   0.23,-140.92) (  -0.15,-142.53)  183.64                80
 05/01/2023   06:38:09   (   0.23,-141.39) (   1.05,-137.55)  436.67                80
 05/02/2023   18:59:42   (  -0.23,-142.10) (  -0.19,-142.15)    6.09                80
 05/04/2023   07:18:45   (   0.23,-142.83) (  -0.65,-146.78)  449.68                80