Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 7 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)
 07/22/2020   05:56:18   (   0.00,-128.39) (   0.34,-126.89)  170.98                80
 07/23/2020   18:15:09   (  -0.00,-128.39) (   0.67,-131.45)  348.78                80
 07/24/2020   17:57:09   (  -0.00,-128.40) (  -0.46,-126.46)  221.17                80
 07/26/2020   06:16:09   (   0.00,-128.41) (  -0.56,-131.06)  300.68                80
 07/27/2020   05:52:48   (   0.00,-128.41) (   0.52,-126.05)  268.54                80
 07/28/2020   18:11:40   (  -0.01,-128.40) (   0.50,-130.62)  252.53                80
 07/29/2020   17:53:40   (  -0.01,-128.40) (  -0.64,-125.63)  316.72                80
 07/31/2020   06:12:39   (   0.01,-128.41) (  -0.38,-130.22)  205.86                80
 08/01/2020   05:49:19   (   0.01,-128.40) (   0.70,-125.22)  362.70                80
 08/02/2020   18:08:10   (  -0.01,-128.38) (   0.32,-129.78)  159.66                80
 08/03/2020   17:50:11   (  -0.01,-128.38) (  -0.82,-124.79)  409.26                80