Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 15.  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)
 06/15/2021   16:08:34   (   0.04,-137.20) (   0.51,-139.22)  230.90                80
 06/16/2021   15:59:30   (   0.04,-137.20) (  -0.16,-136.36)   96.38                80
 06/17/2021   15:47:45   (   0.04,-137.20) (  -0.84,-133.49)  423.54                80
 06/19/2021   04:17:48   (  -0.04,-137.19) (  -1.01,-141.32)  471.59                80
 06/20/2021   04:06:04   (  -0.04,-137.19) (  -0.35,-138.45)  144.96                80
 06/21/2021   03:54:19   (  -0.04,-137.18) (   0.31,-135.58)  181.49                80
 06/23/2021   16:15:01   (   0.03,-137.15) (   0.82,-140.48)  380.44                80
 06/24/2021   16:03:17   (   0.02,-137.14) (   0.14,-137.61)   54.82                80
 06/25/2021   15:54:12   (   0.01,-137.12) (  -0.53,-134.75)  270.70                80
 06/28/2021   04:15:12   (  -0.01,-137.07) (  -0.63,-139.71)  301.61                80