Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 8 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)
 08/23/2019   06:08:34   (  -0.09,-128.44) (  -0.30,-129.37)  105.94                80
 08/24/2019   05:45:15   (  -0.07,-128.43) (   0.82,-124.37)  461.74                80
 08/25/2019   18:06:45   (   0.11,-128.43) (   0.25,-128.92)   56.85                80
 08/28/2019   06:05:06   (  -0.12,-128.39) (  -0.17,-128.52)   15.06                80
 08/30/2019   18:00:38   (   0.13,-128.37) (   0.05,-128.09)   31.87                80
 09/01/2019   06:22:17   (  -0.17,-128.34) (  -1.15,-132.67)  493.70                80
 09/02/2019   05:58:59   (  -0.14,-128.32) (   0.03,-127.69)   72.92                80
 09/03/2019   18:20:29   (   0.18,-128.30) (   1.04,-132.24)  448.10                80
 09/04/2019   17:57:09   (   0.16,-128.28) (  -0.08,-127.24)  118.69                80