Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 6 13.  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)
 06/14/2019   05:42:30   (   0.16,-128.28) (  -0.03,-128.98)   79.87                80
 06/15/2019   05:19:12   (   0.17,-128.27) (   1.11,-124.00)  485.66                80
 06/16/2019   17:40:44   (  -0.16,-128.29) (  -0.06,-128.58)   34.67                80
 06/19/2019   05:39:06   (   0.16,-128.19) (   0.13,-128.22)    5.25                80
 06/21/2019   17:34:40   (  -0.17,-128.18) (  -0.22,-127.83)   39.75                80
 06/23/2019   05:56:21   (   0.15,-128.10) (  -0.79,-132.45)  495.18                80
 06/24/2019   05:33:02   (   0.17,-128.08) (   0.28,-127.46)   69.44                80
 06/25/2019   17:54:34   (  -0.15,-128.08) (   0.75,-132.05)  452.33                80
 06/26/2019   17:31:16   (  -0.17,-128.06) (  -0.38,-127.07)  112.34                80