Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 4.  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)
 09/05/2021   10:18:41   (   0.05,-137.19) (  -0.66,-133.99)  365.02                80
 09/06/2021   22:40:37   (  -0.04,-137.19) (  -0.52,-139.29)  240.22                80
 09/07/2021   22:24:33   (  -0.04,-137.18) (   0.52,-134.77)  275.48                80
 09/09/2021   10:43:40   (   0.04,-137.16) (   0.66,-140.04)  326.80                80
 09/10/2021   10:27:35   (   0.04,-137.15) (  -0.31,-135.50)  188.49                80
 09/11/2021   22:46:51   (  -0.04,-137.13) (  -0.86,-140.80)  418.08                80
 09/12/2021   22:30:47   (  -0.04,-137.12) (   0.18,-136.28)   96.61                80
 09/15/2021   10:33:48   (   0.03,-137.06) (   0.03,-137.01)    6.66                80
 09/17/2021   22:34:20   (  -0.01,-137.01) (  -0.16,-137.79)   87.83                80