Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 1 19.  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)
 01/20/2020   06:05:50   (   0.02,-128.44) (  -0.01,-128.55)   12.41                80
 01/22/2020   18:01:23   (  -0.02,-128.41) (  -0.07,-128.11)   33.76                80
 01/24/2020   06:23:04   (   0.01,-128.42) (  -0.97,-132.70)  488.95                80
 01/25/2020   05:59:46   (   0.01,-128.41) (   0.17,-127.72)   79.43                80
 01/26/2020   18:21:17   (  -0.00,-128.38) (   0.89,-132.27)  443.02                80
 01/27/2020   17:57:59   (  -0.00,-128.38) (  -0.25,-127.28)  125.21                80
 01/29/2020   06:19:40   (  -0.01,-128.38) (  -0.78,-131.87)  397.77                80
 01/30/2020   05:56:21   (  -0.01,-128.37) (   0.30,-126.87)  170.40                80
 01/31/2020   18:17:53   (   0.01,-128.34) (   0.71,-131.43)  352.70                80
 02/01/2020   17:54:34   (   0.01,-128.33) (  -0.43,-126.45)  214.94                80