Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 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)
 06/23/2020   05:56:28   (  -0.08,-127.89) (   0.16,-126.88)  116.14                80
 06/24/2020   18:15:19   (   0.07,-127.94) (   0.85,-131.44)  398.39                80
 06/25/2020   17:57:20   (   0.07,-127.97) (  -0.28,-126.45)  174.18                80
 06/27/2020   06:16:20   (  -0.06,-128.02) (  -0.71,-131.05)  345.22                80
 06/28/2020   05:52:59   (  -0.06,-128.04) (   0.36,-126.05)  226.76                80
 06/29/2020   18:11:51   (   0.06,-128.08) (   0.65,-130.61)  288.87                80
 06/30/2020   17:53:51   (   0.06,-128.11) (  -0.48,-125.62)  283.31                80
 07/02/2020   06:12:51   (  -0.05,-128.14) (  -0.50,-130.22)  236.39                80
 07/03/2020   05:49:31   (  -0.06,-128.16) (   0.57,-125.22)  334.90                80
 07/04/2020   18:08:23   (   0.05,-128.19) (   0.39,-129.79)  182.29                80
 07/05/2020   17:50:23   (   0.05,-128.21) (  -0.69,-124.79)  389.19                80