Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 12.  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)
 05/12/2020   18:05:11   (   0.22,-128.33) (   0.36,-128.95)   70.57                80
 05/13/2020   17:47:12   (   0.21,-128.33) (  -0.74,-123.95)  498.52                80
 05/15/2020   06:06:13   (  -0.21,-128.28) (  -0.25,-128.56)   31.39                80
 05/17/2020   18:04:25   (   0.20,-128.32) (   0.16,-128.12)   22.72                80
 05/20/2020   06:00:06   (  -0.20,-128.27) (  -0.11,-127.72)   61.67                80
 05/21/2020   18:18:58   (   0.19,-128.30) (   1.06,-132.29)  454.53                80
 05/22/2020   18:00:58   (   0.19,-128.29) (  -0.04,-127.30)  113.81                80
 05/24/2020   06:19:59   (  -0.18,-128.24) (  -1.01,-131.89)  416.83                80
 05/25/2020   05:56:39   (  -0.18,-128.22) (   0.10,-126.90)  150.66                80