Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 7 21.  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)
 07/22/2019   18:10:18   (  -0.07,-128.03) (   0.30,-129.80)  200.71                80
 07/23/2019   17:46:59   (  -0.09,-128.06) (  -0.81,-124.80)  371.09                80
 07/25/2019   06:08:38   (   0.06,-128.08) (  -0.26,-129.39)  149.25                80
 07/26/2019   05:45:19   (   0.08,-128.11) (   0.91,-124.41)  421.76                80
 07/27/2019   18:06:51   (  -0.05,-128.16) (   0.14,-128.96)   91.57                80
 07/28/2019   17:43:32   (  -0.07,-128.18) (  -1.03,-123.98)  479.28                80
 07/30/2019   06:05:12   (   0.04,-128.19) (  -0.04,-128.56)   42.22                80
 08/01/2019   18:00:44   (  -0.03,-128.24) (  -0.08,-128.13)   12.97                80
 08/04/2019   05:59:04   (   0.03,-128.26) (   0.12,-127.72)   60.81                80