Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 18.  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)
 06/18/2019   18:13:46   (  -0.14,-128.24) (   0.37,-130.66)  275.26                80
 06/19/2019   17:50:27   (  -0.16,-128.22) (  -0.73,-125.67)  291.15                80
 06/21/2019   06:12:06   (   0.14,-128.13) (  -0.36,-130.25)  241.77                80
 06/22/2019   05:48:47   (   0.16,-128.11) (   0.81,-125.27)  324.19                80
 06/23/2019   18:10:19   (  -0.14,-128.12) (   0.26,-129.82)  193.91                80
 06/24/2019   17:47:00   (  -0.16,-128.10) (  -0.90,-124.83)  372.21                80
 06/26/2019   06:08:40   (   0.14,-128.01) (  -0.17,-129.42)  160.79                80
 06/27/2019   05:45:20   (   0.16,-127.98) (   0.93,-124.42)  404.72                80
 06/28/2019   18:06:52   (  -0.14,-127.98) (   0.08,-128.98)  114.43                80
 06/29/2019   17:43:33   (  -0.15,-127.95) (  -1.03,-123.99)  450.96                80
 07/01/2019   06:05:12   (   0.13,-127.85) (  -0.04,-128.57)   82.96                80