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)
 12/24/2019   18:01:09   (  -0.10,-128.11) (  -0.12,-128.11)    1.89                80
 12/27/2019   05:59:32   (   0.09,-128.21) (   0.22,-127.71)   57.03                80
 12/28/2019   18:21:04   (  -0.08,-128.21) (   0.80,-132.27)  462.48                80
 12/29/2019   17:57:45   (  -0.08,-128.23) (  -0.27,-127.27)  108.98                80
 12/31/2019   06:19:27   (   0.07,-128.30) (  -0.70,-131.88)  406.84                80
 01/01/2020   05:56:07   (   0.08,-128.32) (   0.37,-126.87)  164.37                80
 01/02/2020   18:17:40   (  -0.06,-128.32) (   0.65,-131.43)  355.66                80
 01/03/2020   17:54:21   (  -0.07,-128.34) (  -0.49,-126.44)  215.39                80
 01/05/2020   06:16:03   (   0.06,-128.40) (  -0.55,-131.04)  301.07                80
 01/06/2020   05:52:44   (   0.07,-128.42) (   0.59,-126.05)  269.50                80