Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 15.  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)
 04/16/2020   06:06:09   (  -0.27,-127.89) (  -0.42,-128.50)   69.82                80
 04/18/2020   18:01:42   (   0.26,-128.01) (   0.25,-128.09)    8.78                80
 04/21/2020   06:00:03   (  -0.26,-128.03) (  -0.20,-127.68)   39.50                80
 04/22/2020   18:18:56   (   0.27,-128.11) (   1.18,-132.25)  471.60                80
 04/23/2020   18:00:56   (   0.26,-128.13) (   0.08,-127.25)   99.98                80
 04/25/2020   06:19:57   (  -0.26,-128.13) (  -1.07,-131.86)  424.83                80
 04/26/2020   05:56:38   (  -0.26,-128.14) (   0.03,-126.86)  145.97                80
 04/27/2020   18:15:30   (   0.26,-128.21) (   0.95,-131.43)  366.85                80
 04/28/2020   17:57:31   (   0.25,-128.22) (  -0.15,-126.44)  203.75                80