Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 14.  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)
 04/14/2020   17:44:29   (   0.26,-127.90) (  -0.65,-123.91)  454.17                80
 04/16/2020   06:06:09   (  -0.27,-127.89) (  -0.39,-128.51)   69.73                80
 04/18/2020   18:04:22   (   0.27,-128.01) (   0.29,-128.08)    7.97                80
 04/21/2020   06:00:04   (  -0.26,-128.04) (  -0.17,-127.69)   40.07                80
 04/22/2020   18:18:55   (   0.27,-128.12) (   1.22,-132.24)  470.96                80
 04/23/2020   18:00:57   (   0.26,-128.14) (   0.06,-127.26)  100.71                80
 04/25/2020   06:19:57   (  -0.26,-128.13) (  -1.10,-131.85)  423.90                80
 04/26/2020   05:56:37   (  -0.26,-128.15) (  -0.00,-126.86)  147.01                80
 04/27/2020   18:15:30   (   0.26,-128.22) (   0.98,-131.43)  365.75                80