Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 6 27.  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)
 06/28/2019   18:06:52   (  -0.13,-127.98) (   0.09,-128.98)  114.12                80
 06/29/2019   17:43:33   (  -0.15,-127.95) (  -1.01,-123.98)  451.19                80
 07/01/2019   06:05:12   (   0.13,-127.84) (  -0.06,-128.57)   83.19                80
 07/02/2019   05:41:53   (   0.15,-127.80) (   1.10,-123.58)  481.33                80
 07/03/2019   18:03:25   (  -0.13,-127.79) (  -0.04,-128.13)   39.29                80
 07/06/2019   06:01:46   (   0.13,-127.64) (   0.13,-127.73)   10.51                80
 07/08/2019   17:57:17   (  -0.13,-127.58) (  -0.17,-127.29)   32.43                80
 07/11/2019   05:55:38   (   0.12,-127.42) (   0.27,-126.89)   61.19                80