Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 20.  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)
 09/20/2021   04:32:06   (   0.02,-137.20) (   0.00,-140.77)  396.75                80
 09/21/2021   04:17:28   (   0.02,-137.20) (  -0.09,-137.72)   58.98                80
 09/22/2021   04:08:23   (   0.02,-137.20) (   0.59,-134.85)  269.04                80
 09/24/2021   16:26:29   (  -0.02,-137.21) (   0.55,-139.77)  291.66                80
 09/25/2021   16:17:23   (  -0.02,-137.20) (  -0.08,-136.89)   35.97                80
 09/26/2021   16:05:37   (  -0.02,-137.20) (  -0.77,-134.02)  363.35                80
 09/29/2021   04:23:46   (   0.02,-137.17) (  -0.42,-138.93)  202.32                80
 09/30/2021   04:14:41   (   0.02,-137.16) (   0.25,-136.07)  124.27                80
 10/01/2021   04:02:55   (   0.02,-137.14) (   0.93,-133.20)  450.65                80
 10/02/2021   16:32:46   (  -0.02,-137.13) (   0.88,-140.97)  439.26                80
 10/03/2021   16:21:00   (  -0.02,-137.11) (   0.19,-138.11)  113.01                80