Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 25.  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)
 12/25/2020   03:35:24   (   0.04,-137.21) (   0.03,-137.19)    1.97                80
 12/26/2020   03:21:01   (   0.04,-137.20) (   0.71,-134.34)  327.07                80
 12/28/2020   15:41:57   (  -0.03,-137.19) (   0.47,-139.28)  239.16                80
 12/29/2020   15:32:55   (  -0.03,-137.18) (  -0.21,-136.42)   86.19                80
 12/30/2020   15:21:11   (  -0.02,-137.16) (  -0.84,-133.55)  411.35                80
 01/01/2021   03:51:08   (   0.02,-137.12) (  -0.98,-141.35)  483.74                80
 01/02/2021   03:39:26   (   0.01,-137.10) (  -0.31,-138.50)  159.10                80
 01/03/2021   03:30:23   (   0.01,-137.08) (   0.37,-135.64)  165.41                80
 01/04/2021   03:18:40   (   0.01,-137.06) (   0.99,-132.77)  489.72                80
 01/05/2021   15:48:38   (  -0.01,-137.04) (   0.80,-140.58)  404.02                80
 01/06/2021   15:36:55   (  -0.01,-137.01) (   0.17,-137.71)   79.93                80
 01/07/2021   15:27:52   (  -0.01,-136.99) (  -0.52,-134.85)  244.10                80