Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2020   18:06:14   (  -0.02,-128.42) (  -0.01,-128.48)    7.25                80
 01/18/2020   06:01:27   (   0.02,-128.44) (   0.14,-127.97)   54.90                80
 01/19/2020   18:22:39   (  -0.02,-128.42) (   0.88,-132.44)  457.76                80
 01/20/2020   17:59:08   (  -0.02,-128.42) (  -0.27,-127.40)  116.64                80
 01/22/2020   06:20:32   (   0.02,-128.44) (  -0.74,-131.93)  396.99                80
 01/23/2020   05:57:00   (   0.02,-128.43) (   0.36,-126.88)  177.21                80
 01/24/2020   18:18:14   (  -0.01,-128.41) (   0.62,-131.36)  336.29                80
 01/25/2020   17:54:42   (  -0.02,-128.40) (  -0.47,-126.31)  237.83                80
 01/27/2020   06:16:05   (   0.01,-128.41) (  -0.53,-130.84)  275.95                80