Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 10 16.  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)
 10/16/2021   04:24:37   (   0.04,-137.20) (  -0.26,-138.52)  150.56                80
 10/17/2021   04:15:31   (   0.03,-137.20) (   0.37,-135.64)  177.41                80
 10/19/2021   16:33:32   (  -0.04,-137.20) (   0.71,-140.54)  380.41                80
 10/20/2021   16:21:45   (  -0.04,-137.20) (   0.06,-137.66)   52.59                80
 10/21/2021   16:12:39   (  -0.03,-137.20) (  -0.59,-134.79)  275.08                80
 10/24/2021   04:30:54   (   0.03,-137.17) (  -0.56,-139.73)  292.42                80
 10/25/2021   04:21:47   (   0.03,-137.16) (   0.07,-136.85)   34.58                80
 10/26/2021   04:10:02   (   0.03,-137.15) (   0.77,-133.99)  361.16                80
 10/28/2021   16:28:00   (  -0.02,-137.12) (   0.37,-138.87)  199.68                80
 10/29/2021   16:18:53   (  -0.02,-137.10) (  -0.28,-135.99)  126.57                80