Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 29.  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)
 07/01/2019   06:05:12   (   0.13,-127.85) (  -0.05,-128.57)   82.39                80
 07/02/2019   05:41:54   (   0.14,-127.81) (   1.11,-123.58)  482.30                80
 07/03/2019   18:03:25   (  -0.13,-127.80) (  -0.04,-128.13)   38.11                80
 07/06/2019   05:59:06   (   0.13,-127.65) (   0.14,-127.74)    9.05                80
 07/08/2019   17:57:18   (  -0.13,-127.60) (  -0.18,-127.29)   34.46                80
 07/11/2019   05:55:37   (   0.12,-127.44) (   0.21,-126.88)   63.75                80
 07/12/2019   18:17:10   (  -0.09,-127.42) (   0.79,-131.44)  458.37                80
 07/13/2019   17:53:50   (  -0.11,-127.37) (  -0.31,-126.45)  105.43                80