Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 3.  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)
 09/04/2021   10:40:07   (   0.04,-137.20) (   0.31,-138.53)  151.22                80
 09/05/2021   10:21:21   (   0.04,-137.19) (  -0.66,-133.99)  364.67                80
 09/06/2021   22:40:37   (  -0.03,-137.19) (  -0.51,-139.30)  240.59                80
 09/07/2021   22:24:33   (  -0.03,-137.18) (   0.52,-134.77)  275.10                80
 09/09/2021   10:43:40   (   0.03,-137.16) (   0.66,-140.04)  327.24                80
 09/10/2021   10:27:35   (   0.03,-137.15) (  -0.32,-135.50)  188.04                80
 09/11/2021   22:46:51   (  -0.03,-137.13) (  -0.85,-140.80)  418.49                80
 09/12/2021   22:30:47   (  -0.03,-137.12) (   0.18,-136.28)   96.20                80
 09/15/2021   10:33:49   (   0.02,-137.06) (   0.02,-137.01)    6.11                80