Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 6 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2019   05:56:21   (   0.15,-128.08) (  -0.80,-132.45)  497.47                80
 06/24/2019   05:33:02   (   0.17,-128.05) (   0.28,-127.46)   66.84                80
 06/25/2019   17:54:34   (  -0.15,-128.07) (   0.75,-132.05)  453.95                80
 06/26/2019   17:31:15   (  -0.17,-128.04) (  -0.38,-127.07)  110.36                80
 06/28/2019   05:52:56   (   0.15,-127.94) (  -0.69,-131.68)  426.94                80
 06/29/2019   05:29:37   (   0.16,-127.90) (   0.44,-126.71)  136.68                80
 06/30/2019   17:51:10   (  -0.14,-127.90) (   0.59,-131.29)  385.48                80
 07/01/2019   17:27:50   (  -0.16,-127.87) (  -0.49,-126.30)  177.85                80
 07/03/2019   05:49:30   (   0.14,-127.75) (  -0.58,-130.91)  360.77                80
 07/04/2019   05:26:12   (   0.16,-127.71) (   0.55,-125.94)  201.75                80
 07/05/2019   17:47:44   (  -0.14,-127.70) (   0.47,-130.52)  321.91                80