Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 1 14.  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)
 01/15/2020   06:09:15   (   0.02,-128.44) (  -0.19,-129.38)  107.40                80
 01/16/2020   05:45:56   (   0.03,-128.44) (   0.95,-124.39)  461.91                80
 01/17/2020   18:07:27   (  -0.02,-128.42) (   0.11,-128.94)   59.25                80
 01/20/2020   06:05:50   (   0.02,-128.44) (  -0.01,-128.55)   11.93                80
 01/22/2020   18:01:23   (  -0.02,-128.42) (  -0.06,-128.11)   34.72                80
 01/24/2020   06:23:04   (   0.01,-128.43) (  -0.97,-132.70)  487.68                80
 01/25/2020   05:59:46   (   0.02,-128.43) (   0.17,-127.72)   80.82                80
 01/26/2020   18:21:18   (  -0.01,-128.40) (   0.83,-132.28)  441.57                80
 01/27/2020   17:57:59   (  -0.01,-128.39) (  -0.24,-127.28)  126.88                80