Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 16.  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)
 10/17/2021   10:33:37   (   0.03,-137.20) (  -0.01,-136.96)   26.98                80
 10/19/2021   22:34:08   (  -0.03,-137.19) (  -0.15,-137.74)   61.90                80
 10/20/2021   22:18:02   (  -0.03,-137.19) (   0.84,-133.20)  454.40                80
 10/22/2021   10:37:09   (   0.03,-137.19) (   0.32,-138.47)  146.06                80
 10/23/2021   10:21:04   (   0.03,-137.18) (  -0.68,-133.93)  369.72                80
 10/24/2021   22:40:20   (  -0.03,-137.15) (  -0.46,-139.24)  237.08                80
 10/25/2021   22:24:15   (  -0.03,-137.14) (   0.53,-134.70)  278.23                80
 10/27/2021   10:43:22   (   0.02,-137.13) (   0.63,-139.97)  323.77                80
 10/28/2021   10:27:17   (   0.02,-137.11) (  -0.37,-135.44)  191.05                80
 10/29/2021   22:46:32   (  -0.01,-137.07) (  -0.82,-140.74)  417.02                80