Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2019   22:40:20   (   0.02,-137.19) (  -0.40,-139.14)  221.36                80
 06/14/2019   22:24:14   (   0.02,-137.19) (   0.59,-134.60)  295.37                80
 06/16/2019   10:46:02   (  -0.02,-137.22) (   0.57,-139.87)  302.53                80
 06/17/2019   10:24:36   (  -0.03,-137.21) (  -0.42,-135.33)  213.56                80
 06/18/2019   22:46:33   (   0.03,-137.18) (  -0.72,-140.64)  394.48                80
 06/19/2019   22:30:27   (   0.03,-137.18) (   0.27,-136.11)  121.60                80
 06/21/2019   10:52:14   (  -0.04,-137.20) (   0.90,-141.38)  476.75                80
 06/22/2019   10:30:49   (  -0.03,-137.19) (  -0.09,-136.84)   38.95                80
 06/24/2019   22:34:00   (   0.04,-137.13) (  -0.05,-137.62)   54.64                80
 06/25/2019   22:17:54   (   0.04,-137.12) (   0.94,-133.08)  460.89                80
 06/27/2019   10:39:42   (  -0.04,-137.14) (   0.23,-138.35)  138.42                80