Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 9 18.  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)
 09/19/2020   18:17:11   (   0.05,-128.27) (   0.72,-131.38)  354.50                80
 09/20/2020   17:53:51   (   0.04,-128.29) (  -0.37,-126.38)  216.71                80
 09/22/2020   06:15:31   (  -0.06,-128.36) (  -0.62,-130.98)  299.04                80
 09/23/2020   05:52:11   (  -0.05,-128.37) (   0.47,-125.98)  271.63                80
 09/24/2020   18:13:41   (   0.07,-128.34) (   0.54,-130.54)  250.14                80
 09/25/2020   17:50:21   (   0.06,-128.36) (  -0.55,-125.54)  320.44                80
 09/27/2020   06:12:01   (  -0.07,-128.42) (  -0.43,-130.15)  195.91                80
 09/28/2020   05:48:40   (  -0.06,-128.43) (   0.66,-125.15)  374.42                80
 09/29/2020   18:10:11   (   0.08,-128.41) (   0.35,-129.71)  147.82                80
 09/30/2020   17:46:50   (   0.07,-128.42) (  -0.74,-124.71)  422.54                80
 10/02/2020   06:08:31   (  -0.08,-128.48) (  -0.24,-129.31)   93.95                80