Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 1 12.  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)
 01/13/2020   06:08:32   (   0.03,-128.43) (  -0.13,-129.04)   70.68                80
 01/15/2020   18:06:14   (  -0.02,-128.42) (  -0.01,-128.48)    7.43                80
 01/18/2020   06:01:27   (   0.02,-128.44) (   0.13,-127.96)   54.66                80
 01/19/2020   18:22:39   (  -0.02,-128.42) (   0.89,-132.44)  458.10                80
 01/20/2020   17:59:08   (  -0.02,-128.42) (  -0.26,-127.40)  116.25                80
 01/22/2020   06:20:32   (   0.02,-128.44) (  -0.76,-131.92)  397.31                80
 01/23/2020   05:57:00   (   0.02,-128.43) (   0.34,-126.87)  176.86                80
 01/24/2020   18:18:14   (  -0.01,-128.40) (   0.64,-131.36)  336.80                80
 01/25/2020   17:54:42   (  -0.02,-128.40) (  -0.45,-126.31)  237.30                80