Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 8 9.  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)
 08/10/2020   06:05:40   (   0.02,-128.21) (  -0.03,-128.54)   36.96                80
 08/12/2020   18:03:51   (  -0.02,-128.14) (  -0.06,-128.10)    5.54                80
 08/15/2020   05:59:30   (   0.02,-128.06) (   0.11,-127.69)   41.85                80
 08/16/2020   18:18:20   (  -0.02,-127.99) (   0.94,-132.24)  484.57                80
 08/17/2020   18:00:21   (  -0.02,-127.96) (  -0.20,-127.25)   80.68                80
 08/19/2020   06:19:20   (   0.03,-127.91) (  -0.83,-131.85)  448.25                80
 08/20/2020   05:56:00   (   0.03,-127.87) (   0.25,-126.84)  116.34                80
 08/21/2020   18:14:50   (  -0.03,-127.79) (   0.79,-131.40)  411.19                80
 08/22/2020   17:56:51   (  -0.04,-127.75) (  -0.35,-126.41)  153.64                80