Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 3 17.  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)
 03/18/2020   06:06:06   (  -0.24,-128.23) (  -0.27,-128.52)   31.93                80
 03/20/2020   18:01:39   (   0.24,-128.23) (   0.21,-128.08)   17.49                80
 03/23/2020   05:59:59   (  -0.25,-128.12) (  -0.15,-127.67)   50.87                80
 03/24/2020   18:21:32   (   0.27,-128.14) (   1.17,-132.24)  466.34                80
 03/25/2020   17:58:12   (   0.25,-128.12) (   0.08,-127.24)   99.69                80
 03/27/2020   06:19:53   (  -0.27,-128.02) (  -1.11,-131.83)  433.96                80
 03/28/2020   05:56:33   (  -0.26,-127.99) (  -0.02,-126.83)  131.67                80
 03/29/2020   18:18:05   (   0.27,-128.00) (   1.04,-131.39)  386.83                80
 03/30/2020   17:54:47   (   0.26,-127.97) (  -0.11,-126.41)  178.33                80