Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 19.  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   04:29:14   (   0.02,-137.19) (  -0.74,-140.59)  387.96                80
 09/21/2021   04:17:27   (   0.02,-137.19) (  -0.13,-137.71)   60.50                80
 09/22/2021   04:08:22   (   0.02,-137.18) (   0.55,-134.84)  267.04                80
 09/24/2021   16:26:29   (  -0.02,-137.18) (   0.59,-139.76)  295.03                80
 09/25/2021   16:17:23   (  -0.02,-137.17) (  -0.10,-136.89)   32.08                80
 09/26/2021   16:05:37   (  -0.02,-137.16) (  -0.73,-134.01)  358.90                80
 09/29/2021   04:23:47   (   0.02,-137.12) (  -0.40,-138.94)  208.07                80
 09/30/2021   04:14:41   (   0.02,-137.10) (   0.28,-136.07)  117.99                80
 10/01/2021   04:02:55   (   0.02,-137.08) (   0.90,-133.19)  443.83                80
 10/02/2021   16:32:45   (  -0.02,-137.06) (   0.91,-140.97)  446.92                80