Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 20.  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)
 05/21/2020   18:18:56   (   0.19,-128.29) (   1.06,-132.28)  455.14                80
 05/22/2020   18:00:57   (   0.19,-128.28) (  -0.06,-127.29)  113.10                80
 05/24/2020   06:19:57   (  -0.18,-128.22) (  -0.98,-131.89)  417.46                80
 05/25/2020   05:56:36   (  -0.18,-128.20) (   0.09,-126.88)  149.97                80
 05/26/2020   18:15:28   (   0.17,-128.21) (   0.91,-131.44)  368.57                80
 05/27/2020   17:57:28   (   0.17,-128.20) (  -0.21,-126.45)  198.70                80
 05/29/2020   06:16:29   (  -0.16,-128.13) (  -0.82,-131.05)  332.70                80
 05/30/2020   05:53:09   (  -0.16,-128.11) (   0.31,-126.06)  234.13                80
 05/31/2020   18:12:00   (   0.15,-128.11) (   0.69,-130.62)  285.43                80
 06/01/2020   17:54:00   (   0.16,-128.09) (  -0.37,-125.61)  281.54                80
 06/03/2020   06:12:32   (  -0.15,-128.02) (  -0.65,-130.21)  250.13                52