Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 22.  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)
 06/23/2019   18:10:19   (  -0.14,-128.12) (   0.24,-129.82)  193.70                80
 06/24/2019   17:47:00   (  -0.16,-128.10) (  -0.87,-124.82)  372.26                80
 06/26/2019   06:08:40   (   0.14,-128.00) (  -0.15,-129.42)  161.48                80
 06/27/2019   05:45:20   (   0.15,-127.97) (   0.95,-124.42)  403.96                80
 06/28/2019   18:06:52   (  -0.13,-127.97) (   0.11,-128.97)  114.83                80
 06/29/2019   17:43:33   (  -0.15,-127.94) (  -1.05,-123.99)  450.43                80
 07/01/2019   06:05:13   (   0.13,-127.83) (  -0.02,-128.58)   84.29                80
 07/02/2019   05:41:53   (   0.15,-127.79) (   1.08,-123.58)  480.06                80
 07/03/2019   18:03:25   (  -0.13,-127.78) (  -0.07,-128.14)   40.60                80
 07/06/2019   06:01:45   (   0.13,-127.63) (   0.11,-127.73)   11.86                80