Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 30.  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   06:05:13   (   0.13,-127.85) (  -0.02,-128.57)   82.25                80
 07/02/2019   05:41:53   (   0.14,-127.81) (   1.09,-123.58)  482.48                80
 07/03/2019   18:03:26   (  -0.13,-127.80) (  -0.08,-128.14)   38.07                80
 07/06/2019   06:01:45   (   0.13,-127.66) (   0.11,-127.73)    8.15                80
 07/08/2019   17:57:18   (  -0.13,-127.60) (  -0.21,-127.30)   34.91                80
 07/10/2019   06:18:57   (   0.10,-127.49) (  -0.86,-131.88)  499.53                80
 07/11/2019   05:55:38   (   0.12,-127.45) (   0.25,-126.89)   64.33                80
 07/12/2019   18:17:09   (  -0.09,-127.42) (   0.81,-131.44)  457.71                80
 07/13/2019   17:53:50   (  -0.11,-127.38) (  -0.29,-126.44)  106.17                80