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   10:40:06   (   0.05,-137.20) (   0.33,-138.52)  151.08                80
 09/05/2021   10:21:22   (   0.04,-137.19) (  -0.70,-134.00)  364.83                80
 09/06/2021   22:40:37   (  -0.04,-137.19) (  -0.54,-139.29)  240.37                80
 09/07/2021   22:24:33   (  -0.03,-137.18) (   0.50,-134.76)  275.37                80
 09/09/2021   10:43:40   (   0.03,-137.16) (   0.68,-140.03)  326.93                80
 09/10/2021   10:27:35   (   0.03,-137.15) (  -0.35,-135.51)  188.38                80
 09/11/2021   22:46:51   (  -0.03,-137.14) (  -0.88,-140.80)  418.09                80
 09/12/2021   22:30:46   (  -0.03,-137.12) (   0.16,-136.27)   96.59                80
 09/15/2021   10:33:49   (   0.02,-137.07) (  -0.01,-137.01)    6.99                80