Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 24.  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)
 06/24/2020   18:15:19   (   0.07,-127.95) (   0.85,-131.44)  398.26                80
 06/25/2020   17:57:20   (   0.07,-127.98) (  -0.28,-126.45)  174.39                80
 06/27/2020   06:16:20   (  -0.06,-128.02) (  -0.71,-131.05)  344.97                80
 06/28/2020   05:52:59   (  -0.06,-128.04) (   0.36,-126.05)  227.08                80
 06/29/2020   18:11:52   (   0.05,-128.08) (   0.59,-130.62)  288.39                80
 06/30/2020   17:53:51   (   0.06,-128.11) (  -0.48,-125.62)  283.86                80
 07/02/2020   06:12:51   (  -0.05,-128.15) (  -0.50,-130.22)  235.80                80
 07/03/2020   05:49:31   (  -0.06,-128.17) (   0.57,-125.22)  335.56                80
 07/04/2020   18:08:23   (   0.05,-128.19) (   0.39,-129.79)  181.47                80
 07/05/2020   17:50:23   (   0.05,-128.22) (  -0.68,-124.79)  390.09                80
 07/07/2020   06:09:23   (  -0.04,-128.25) (  -0.29,-129.39)  129.79                80