Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 20.  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)
 04/21/2019   18:10:51   (  -0.06,-127.80) (   0.54,-130.62)  320.61                80
 04/22/2019   17:52:51   (  -0.07,-127.83) (  -0.55,-125.62)  252.41                80
 04/24/2019   06:11:52   (   0.07,-127.86) (  -0.48,-130.21)  269.01                80
 04/25/2019   05:48:34   (   0.08,-127.89) (   0.67,-125.23)  303.61                80
 04/26/2019   18:07:26   (  -0.08,-127.97) (   0.33,-129.79)  207.74                80
 04/27/2019   17:49:28   (  -0.08,-128.00) (  -0.82,-124.81)  364.86                80
 04/29/2019   06:08:29   (   0.09,-128.02) (  -0.20,-129.40)  156.90                80
 04/30/2019   05:45:10   (   0.09,-128.05) (   0.88,-124.40)  415.42                80
 05/01/2019   18:04:02   (  -0.09,-128.13) (   0.11,-128.97)   96.50                80
 05/02/2019   17:46:04   (  -0.09,-128.15) (  -1.04,-123.98)  475.73                80
 05/04/2019   06:05:05   (   0.10,-128.17) (   0.02,-128.58)   46.61                80