Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 9 22.  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)
 09/23/2020   05:52:11   (  -0.05,-128.37) (   0.45,-125.98)  271.52                80
 09/24/2020   18:13:41   (   0.07,-128.34) (   0.56,-130.54)  250.56                80
 09/25/2020   17:50:21   (   0.06,-128.35) (  -0.59,-125.55)  319.92                80
 09/27/2020   06:12:01   (  -0.08,-128.42) (  -0.45,-130.14)  196.48                80
 09/28/2020   05:48:40   (  -0.07,-128.43) (   0.64,-125.14)  373.71                80
 09/29/2020   18:10:10   (   0.08,-128.40) (   0.37,-129.70)  148.86                80
 09/30/2020   17:46:51   (   0.07,-128.41) (  -0.78,-124.71)  421.40                80
 10/02/2020   06:08:30   (  -0.08,-128.47) (  -0.26,-129.31)   95.11                80
 10/03/2020   05:45:10   (  -0.07,-128.48) (   0.83,-124.31)  474.81                80
 10/04/2020   18:06:40   (   0.09,-128.44) (   0.19,-128.86)   48.55                80