Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 24.  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)
 12/27/2019   05:59:31   (   0.09,-128.21) (   0.19,-127.71)   56.88                80
 12/28/2019   18:21:04   (  -0.08,-128.20) (   0.83,-132.27)  462.78                80
 12/29/2019   17:57:45   (  -0.08,-128.23) (  -0.30,-127.28)  108.58                80
 12/31/2019   06:19:27   (   0.07,-128.30) (  -0.73,-131.87)  407.23                80
 01/01/2020   05:56:08   (   0.08,-128.32) (   0.40,-126.88)  163.88                80
 01/02/2020   18:17:40   (  -0.06,-128.31) (   0.62,-131.44)  356.27                80
 01/03/2020   17:54:22   (  -0.07,-128.33) (  -0.52,-126.45)  214.75                80
 01/05/2020   06:16:03   (   0.06,-128.40) (  -0.52,-131.05)  301.78                80
 01/06/2020   05:52:45   (   0.07,-128.41) (   0.62,-126.06)  268.74                80
 01/07/2020   18:14:16   (  -0.05,-128.39) (   0.45,-130.60)  252.69                80