Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 23.  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)
 10/23/2021   10:21:04   (   0.04,-137.22) (  -0.71,-133.93)  374.27                80
 10/24/2021   22:40:20   (  -0.03,-137.22) (  -0.50,-139.23)  229.64                80
 10/25/2021   22:24:15   (  -0.03,-137.22) (   0.56,-134.71)  287.28                80
 10/27/2021   10:43:22   (   0.02,-137.23) (   0.66,-139.96)  312.69                80
 10/28/2021   10:27:17   (   0.02,-137.22) (  -0.40,-135.44)  203.73                80
 10/29/2021   22:46:32   (  -0.02,-137.21) (  -0.80,-140.74)  401.56                80
 10/30/2021   22:30:27   (  -0.02,-137.21) (   0.20,-136.20)  114.62                80
 11/01/2021   10:49:34   (   0.01,-137.20) (   0.96,-141.47)  486.12                80
 11/02/2021   10:33:29   (   0.01,-137.20) (  -0.04,-136.93)   29.72                80
 11/04/2021   22:33:59   (  -0.01,-137.16) (  -0.15,-137.70)   61.20                80
 11/05/2021   22:17:54   (  -0.01,-137.15) (   0.91,-133.17)  453.98                80