Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 6 18.  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)
 06/19/2019   05:39:06   (   0.16,-128.18) (   0.13,-128.22)    5.97                80
 06/21/2019   17:34:40   (  -0.17,-128.17) (  -0.22,-127.83)   39.21                80
 06/23/2019   05:56:21   (   0.15,-128.08) (  -0.79,-132.45)  497.07                80
 06/24/2019   05:33:02   (   0.17,-128.06) (   0.29,-127.46)   67.33                80
 06/25/2019   17:54:34   (  -0.15,-128.07) (   0.75,-132.05)  453.71                80
 06/26/2019   17:31:15   (  -0.17,-128.04) (  -0.39,-127.07)  110.75                80
 06/28/2019   05:52:56   (   0.15,-127.95) (  -0.68,-131.68)  425.87                80
 06/29/2019   05:29:37   (   0.16,-127.91) (   0.45,-126.71)  137.87                80
 06/30/2019   17:51:10   (  -0.14,-127.91) (   0.57,-131.29)  384.61                80
 07/01/2019   17:27:50   (  -0.16,-127.88) (  -0.51,-126.31)  178.88                80