Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2019 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2019   09:53:07   (   0.06,-127.77) (  -0.02,-127.34)   48.94                80
 04/23/2019   21:56:19   (  -0.06,-127.86) (  -0.12,-128.12)   29.44                80
 04/24/2019   21:40:14   (  -0.07,-127.90) (   0.91,-123.59)  490.84                80
 04/26/2019   10:02:01   (   0.06,-127.95) (   0.26,-128.86)  104.23                80
 04/27/2019   09:40:37   (   0.07,-127.98) (  -0.78,-124.34)  415.70                80
 04/28/2019   22:02:33   (  -0.07,-128.02) (  -0.40,-129.64)  183.98                80
 04/29/2019   21:46:28   (  -0.07,-128.06) (   0.58,-125.11)  336.01                80
 05/01/2019   10:08:15   (   0.06,-128.11) (   0.60,-130.38)  259.32                80
 05/02/2019   09:46:51   (   0.07,-128.13) (  -0.44,-125.85)  260.21                80
 05/03/2019   22:08:47   (  -0.06,-128.17) (  -0.74,-131.16)  340.65                80