Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 10.  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)
 09/11/2019   06:12:47   (   0.22,-128.17) (  -0.44,-131.07)  331.30                80
 09/12/2019   05:54:48   (   0.21,-128.15) (   0.68,-126.08)  235.63                80
 09/13/2019   18:10:59   (  -0.23,-128.15) (   0.32,-130.64)  283.71                80
 09/14/2019   17:53:00   (  -0.22,-128.13) (  -0.80,-125.65)  283.46                80
 09/16/2019   06:09:20   (   0.25,-128.05) (  -0.23,-130.25)  249.66                80
 09/17/2019   05:51:20   (   0.23,-128.02) (   0.83,-125.24)  316.83                80
 09/18/2019   18:07:31   (  -0.25,-128.02) (   0.17,-129.80)  203.75                80
 09/19/2019   17:49:31   (  -0.24,-127.99) (  -0.95,-124.81)  362.74                80
 09/21/2019   06:05:52   (   0.26,-127.90) (  -0.07,-129.41)  171.00                80
 09/22/2019   05:47:51   (   0.24,-127.87) (   0.99,-124.40)  394.52                80
 09/23/2019   18:04:02   (  -0.26,-127.84) (   0.01,-128.96)  128.06                80