Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 18.  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   04:29:13   (   0.02,-137.19) (  -0.78,-140.58)  388.24                80
 09/21/2021   04:17:28   (   0.02,-137.18) (  -0.11,-137.72)   60.81                80
 09/22/2021   04:08:22   (   0.02,-137.18) (   0.56,-134.85)  266.58                80
 09/24/2021   16:26:29   (  -0.02,-137.17) (   0.57,-139.76)  295.70                80
 09/25/2021   16:17:22   (  -0.02,-137.16) (  -0.06,-136.88)   31.35                80
 09/26/2021   16:05:37   (  -0.02,-137.15) (  -0.76,-134.02)  358.06                80
 09/29/2021   04:23:46   (   0.02,-137.11) (  -0.43,-138.93)  209.08                80
 09/30/2021   04:14:40   (   0.02,-137.09) (   0.25,-136.06)  116.89                80
 10/01/2021   04:02:55   (   0.02,-137.07) (   0.93,-133.20)  442.68                80