Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 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)
 05/29/2018   06:39:43   (   0.16,-135.04) (  -0.35,-137.26)  254.40                80
 05/30/2018   06:18:46   (   0.17,-135.00) (   0.80,-132.28)  310.95                63
 05/31/2018   18:37:53   (  -0.17,-134.98) (   0.25,-136.83)  210.80                80
 06/01/2018   18:14:34   (  -0.18,-134.95) (  -0.90,-131.84)  354.02                80
 06/03/2018   06:36:12   (   0.17,-134.85) (  -0.18,-136.43)  180.24                80
 06/04/2018   06:12:52   (   0.18,-134.81) (   0.91,-131.43)  384.37                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.08,-136.00)  138.20                80
 06/06/2018   18:11:03   (  -0.19,-134.74) (  -1.01,-131.00)  426.03                80
 06/08/2018   06:32:41   (   0.18,-134.63) (  -0.05,-135.58)  109.03                80
 06/09/2018   06:09:22   (   0.19,-134.58) (   1.10,-130.60)  454.95                80
 06/10/2018   18:30:52   (  -0.18,-134.55) (  -0.04,-135.15)   68.62                80