Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 29.  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)
 04/29/2019   06:08:29   (   0.09,-128.01) (  -0.24,-129.39)  158.45                80
 04/30/2019   05:45:10   (   0.08,-128.04) (   0.91,-124.41)  413.64                80
 05/01/2019   18:04:02   (  -0.09,-128.11) (   0.08,-128.97)   98.02                80
 05/02/2019   17:46:03   (  -0.09,-128.14) (  -1.01,-123.98)  473.93                80
 05/04/2019   06:05:04   (   0.09,-128.14) (  -0.02,-128.57)   49.65                80
 05/06/2019   18:03:18   (  -0.10,-128.22) (  -0.14,-128.15)    9.39                80
 05/09/2019   05:59:00   (   0.11,-128.23) (   0.21,-127.75)   54.64                80
 05/10/2019   18:17:52   (  -0.11,-128.28) (   0.78,-132.32)  459.69                80
 05/11/2019   17:59:53   (  -0.12,-128.30) (  -0.31,-127.32)  110.60                80