Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 25.  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)
 06/25/2020   17:57:19   (   0.07,-127.98) (  -0.27,-126.45)  174.49                80
 06/27/2020   06:16:20   (  -0.06,-128.02) (  -0.72,-131.05)  344.87                80
 06/28/2020   05:53:00   (  -0.06,-128.04) (   0.41,-126.06)  227.23                80
 06/29/2020   18:11:51   (   0.05,-128.09) (   0.60,-130.62)  288.08                80
 06/30/2020   17:53:52   (   0.06,-128.11) (  -0.53,-125.63)  284.22                80
 07/02/2020   06:12:51   (  -0.05,-128.15) (  -0.51,-130.22)  235.47                80
 07/03/2020   05:49:32   (  -0.06,-128.17) (   0.62,-125.23)  335.92                80
 07/04/2020   18:08:23   (   0.05,-128.20) (   0.40,-129.79)  180.93                80
 07/05/2020   17:50:24   (   0.05,-128.22) (  -0.73,-124.80)  390.66                80
 07/07/2020   06:09:23   (  -0.04,-128.26) (  -0.30,-129.39)  129.23                80
 07/08/2020   05:46:03   (  -0.04,-128.27) (   0.83,-124.40)  441.78                80