Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 8 21.  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)
 08/21/2021   16:24:41   (   0.00,-137.19) (   0.80,-140.59)  388.29                80
 08/22/2021   16:12:56   (  -0.00,-137.20) (   0.15,-137.72)   60.23                80
 08/23/2021   16:03:51   (  -0.00,-137.21) (  -0.57,-134.86)  268.02                80
 08/26/2021   04:21:59   (   0.01,-137.21) (  -0.60,-139.78)  293.93                80
 08/27/2021   04:12:53   (   0.01,-137.21) (   0.07,-136.91)   34.17                80
 08/28/2021   04:01:08   (   0.01,-137.21) (   0.73,-134.04)  362.05                80
 08/30/2021   16:19:18   (  -0.01,-137.21) (   0.37,-138.97)  199.92                80
 08/31/2021   16:10:12   (  -0.01,-137.21) (  -0.29,-136.10)  127.24                80
 09/01/2021   15:58:27   (  -0.01,-137.20) (  -0.96,-133.23)  454.12                80
 09/03/2021   04:30:59   (   0.02,-137.18) (  -0.88,-141.01)  437.63                80