Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 16.  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)
 04/18/2020   18:04:22   (   0.27,-128.01) (   0.30,-128.07)    8.71                80
 04/21/2020   06:00:03   (  -0.26,-128.03) (  -0.19,-127.68)   39.32                80
 04/22/2020   18:18:56   (   0.27,-128.11) (   1.18,-132.25)  471.85                80
 04/23/2020   18:00:56   (   0.26,-128.13) (   0.07,-127.26)   99.67                80
 04/25/2020   06:19:57   (  -0.26,-128.12) (  -1.12,-131.85)  425.18                80
 04/26/2020   05:56:38   (  -0.26,-128.14) (   0.04,-126.87)  145.58                80
 04/27/2020   18:15:29   (   0.26,-128.20) (   1.00,-131.42)  367.32                80
 04/28/2020   17:57:31   (   0.25,-128.22) (  -0.16,-126.44)  203.23                80
 04/30/2020   06:16:31   (  -0.25,-128.20) (  -0.89,-131.03)  322.95                80