Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2019 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2019   14:30:04   (   0.04,-137.21) (  -0.14,-136.37)   95.64                80
 12/23/2019   14:18:24   (   0.05,-137.21) (  -0.80,-133.53)  420.15                80
 12/25/2019   02:51:09   (  -0.05,-137.19) (  -0.99,-141.37)  475.89                80
 12/26/2019   02:39:30   (  -0.05,-137.18) (  -0.35,-138.52)  151.82                80
 12/27/2019   02:30:31   (  -0.06,-137.17) (   0.30,-135.67)  172.16                80
 12/28/2019   02:18:51   (  -0.06,-137.16) (   0.94,-132.82)  496.02                80
 12/29/2019   14:51:31   (   0.07,-137.15) (   0.89,-140.63)  397.85                80
 12/30/2019   14:39:52   (   0.07,-137.13) (   0.22,-137.78)   74.05                80
 12/31/2019   14:25:32   (   0.07,-137.12) (  -0.44,-134.94)  249.67                80
 01/03/2020   02:46:39   (  -0.08,-137.08) (  -0.75,-139.92)  325.11                80
 01/04/2020   02:37:40   (  -0.08,-137.06) (  -0.10,-137.07)    2.59                80