Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 5 8.  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)
 05/08/2021   05:56:03   (  -0.02,-127.89) (   0.21,-126.84)  119.23                80
 05/09/2021   18:14:56   (   0.01,-127.99) (   0.77,-131.41)  389.57                80
 05/10/2021   17:56:58   (   0.02,-128.03) (  -0.34,-126.42)  183.42                80
 05/12/2021   06:16:00   (  -0.01,-128.03) (  -0.68,-131.02)  340.58                80
 05/13/2021   05:52:42   (  -0.02,-128.06) (   0.44,-126.03)  231.24                80
 05/14/2021   18:11:35   (   0.01,-128.14) (   0.54,-130.60)  279.46                80
 05/15/2021   17:53:37   (   0.02,-128.17) (  -0.57,-125.61)  292.64                80
 05/17/2021   06:12:39   (  -0.01,-128.17) (  -0.45,-130.21)  232.02                80
 05/18/2021   05:49:20   (  -0.01,-128.19) (   0.67,-125.22)  339.00                80
 05/19/2021   18:08:13   (   0.00,-128.26) (   0.37,-129.78)  173.44                80
 05/20/2021   17:50:14   (   0.01,-128.28) (  -0.75,-124.78)  398.17                80