Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 16.  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)
 09/16/2021   16:20:11   (  -0.01,-137.20) (   0.31,-138.54)  152.61                80
 09/17/2021   16:11:05   (  -0.02,-137.20) (  -0.37,-135.67)  175.08                80
 09/20/2021   04:29:13   (   0.02,-137.19) (  -0.78,-140.59)  387.80                80
 09/21/2021   04:17:28   (   0.02,-137.19) (  -0.11,-137.72)   60.24                80
 09/22/2021   04:08:22   (   0.02,-137.19) (   0.56,-134.85)  267.28                80
 09/24/2021   16:26:29   (  -0.02,-137.18) (   0.57,-139.76)  294.91                80
 09/25/2021   16:17:23   (  -0.02,-137.17) (  -0.06,-136.88)   32.34                80
 09/26/2021   16:05:37   (  -0.02,-137.16) (  -0.75,-134.02)  359.11                80
 09/29/2021   04:23:47   (   0.02,-137.12) (  -0.38,-138.94)  207.42                80