Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 28.  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)
 12/28/2020   15:41:58   (  -0.03,-137.23) (   0.43,-139.29)  234.30                80
 12/29/2020   15:32:54   (  -0.03,-137.23) (  -0.20,-136.42)   92.19                80
 12/30/2020   15:21:12   (  -0.03,-137.23) (  -0.88,-133.56)  418.45                80
 01/01/2021   03:51:09   (   0.02,-137.21) (  -0.94,-141.36)  474.75                80
 01/02/2021   03:39:27   (   0.02,-137.20) (  -0.26,-138.51)  149.01                80
 01/03/2021   03:30:23   (   0.02,-137.19) (   0.36,-135.64)  176.63                80
 01/05/2021   15:48:39   (  -0.02,-137.17) (   0.75,-140.59)  389.93                80
 01/06/2021   15:36:56   (  -0.02,-137.16) (   0.12,-137.72)   64.66                80
 01/07/2021   15:27:53   (  -0.02,-137.14) (  -0.57,-134.87)  260.49                80
 01/10/2021   03:46:08   (   0.01,-137.08) (  -0.63,-139.80)  310.33                80