Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2021   22:34:08   (  -0.03,-137.19) (  -0.15,-137.74)   61.92                80
 10/20/2021   22:18:02   (  -0.03,-137.19) (   0.85,-133.20)  454.33                80
 10/22/2021   10:37:10   (   0.03,-137.18) (   0.31,-138.47)  146.40                80
 10/23/2021   10:21:04   (   0.03,-137.17) (  -0.68,-133.93)  369.31                80
 10/24/2021   22:40:19   (  -0.03,-137.15) (  -0.52,-139.23)  237.41                80
 10/25/2021   22:24:15   (  -0.03,-137.14) (   0.53,-134.70)  277.84                80
 10/27/2021   10:43:22   (   0.02,-137.12) (   0.63,-139.97)  324.42                80
 10/28/2021   10:27:17   (   0.02,-137.10) (  -0.37,-135.44)  190.34                80
 10/29/2021   22:46:32   (  -0.01,-137.07) (  -0.83,-140.73)  417.70                80
 10/30/2021   22:30:27   (  -0.01,-137.05) (   0.17,-136.20)   96.80                80