Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 3 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)
 03/20/2020   18:01:39   (   0.24,-128.23) (   0.18,-128.08)   17.52                80
 03/23/2020   06:00:00   (  -0.25,-128.12) (  -0.12,-127.68)   50.68                80
 03/24/2020   18:21:31   (   0.27,-128.14) (   1.20,-132.23)  466.73                80
 03/25/2020   17:58:13   (   0.25,-128.11) (   0.05,-127.24)   99.22                80
 03/27/2020   06:19:52   (  -0.27,-128.01) (  -1.14,-131.82)  434.51                80
 03/28/2020   05:56:34   (  -0.26,-127.99) (   0.01,-126.84)  131.06                80
 03/29/2020   18:18:06   (   0.27,-128.00) (   1.01,-131.40)  387.53                80
 03/30/2020   17:54:46   (   0.26,-127.96) (  -0.08,-126.40)  177.57                80
 04/01/2020   06:16:26   (  -0.27,-127.85) (  -1.00,-130.98)  357.76                80