Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 7 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)
 07/23/2019   05:33:13   (   0.11,-128.02) (   0.14,-127.90)   14.35                80
 07/25/2019   17:31:26   (  -0.10,-128.11) (  -0.22,-127.50)   69.53                80
 07/27/2019   05:53:07   (   0.07,-128.13) (  -0.80,-132.13)  454.71                80
 07/28/2019   05:29:49   (   0.09,-128.15) (   0.34,-127.15)  114.43                80
 07/29/2019   17:51:20   (  -0.06,-128.20) (   0.72,-131.73)  402.19                80
 07/30/2019   17:28:01   (  -0.09,-128.21) (  -0.42,-126.75)  166.77                80
 08/01/2019   05:49:42   (   0.05,-128.22) (  -0.66,-131.36)  358.58                80
 08/02/2019   05:26:23   (   0.08,-128.23) (   0.48,-126.39)  209.66                80
 08/03/2019   17:47:54   (  -0.05,-128.27) (   0.58,-130.97)  308.15                80
 08/04/2019   17:24:36   (  -0.08,-128.28) (  -0.57,-125.99)  260.39                80