Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2019 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2019   18:00:47   (  -0.06,-127.76) (  -0.20,-127.25)   59.21                80
 04/22/2019   06:19:48   (   0.07,-127.79) (  -0.86,-131.84)  461.52                80
 04/23/2019   05:56:30   (   0.07,-127.83) (   0.27,-126.85)  111.32                80
 04/24/2019   18:15:22   (  -0.08,-127.91) (   0.71,-131.41)  400.01                80
 04/25/2019   17:57:24   (  -0.08,-127.94) (  -0.42,-126.43)  172.74                80
 04/27/2019   06:16:26   (   0.09,-127.97) (  -0.59,-131.03)  348.52                80
 04/28/2019   05:53:08   (   0.09,-128.00) (   0.54,-126.04)  223.94                80
 04/29/2019   18:11:59   (  -0.09,-128.07) (   0.50,-130.60)  287.98                80
 04/30/2019   17:54:00   (  -0.09,-128.11) (  -0.64,-125.61)  284.51                80
 05/02/2019   06:13:03   (   0.09,-128.13) (  -0.38,-130.21)  237.10                80