Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 13.  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)
 04/13/2020   18:07:48   (   0.27,-127.87) (   0.47,-128.91)  118.04                80
 04/14/2020   17:44:28   (   0.26,-127.90) (  -0.63,-123.91)  454.17                80
 04/16/2020   06:06:09   (  -0.27,-127.90) (  -0.41,-128.50)   69.56                80
 04/18/2020   18:04:22   (   0.27,-128.01) (   0.31,-128.07)    8.24                80
 04/21/2020   06:00:03   (  -0.27,-128.04) (  -0.19,-127.68)   40.56                80
 04/22/2020   18:18:56   (   0.27,-128.12) (   1.18,-132.25)  470.40                80
 04/23/2020   18:00:56   (   0.26,-128.15) (   0.08,-127.26)  101.34                80
 04/25/2020   06:19:57   (  -0.26,-128.14) (  -1.12,-131.85)  423.08                80
 04/26/2020   05:56:38   (  -0.26,-128.16) (   0.04,-126.87)  147.87                80