Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 10.  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)
 09/12/2021   04:22:54   (   0.01,-137.20) (  -0.50,-139.36)  247.23                80
 09/13/2021   04:13:48   (   0.01,-137.19) (   0.17,-136.49)   79.90                80
 09/14/2021   04:02:03   (   0.01,-137.18) (   0.84,-133.62)  406.78                80
 09/15/2021   16:31:57   (  -0.02,-137.17) (   0.95,-141.42)  484.38                80
 09/16/2021   16:20:10   (  -0.02,-137.16) (   0.33,-138.53)  157.84                80
 09/17/2021   16:11:05   (  -0.02,-137.15) (  -0.36,-135.67)  168.72                80
 09/18/2021   15:59:20   (  -0.02,-137.13) (  -1.04,-132.80)  495.28                80
 09/20/2021   04:29:13   (   0.02,-137.11) (  -0.79,-140.58)  396.88                80
 09/21/2021   04:17:27   (   0.02,-137.10) (  -0.12,-137.71)   70.45                80
 09/22/2021   04:08:22   (   0.02,-137.08) (   0.56,-134.85)  255.93                80