Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 31.  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)
 11/01/2021   10:49:34   (   0.02,-137.22) (   0.99,-141.46)  484.22                80
 11/02/2021   10:33:29   (   0.02,-137.21) (  -0.07,-136.94)   32.08                80
 11/04/2021   22:33:59   (  -0.02,-137.19) (  -0.12,-137.70)   57.50                80
 11/05/2021   22:17:53   (  -0.02,-137.18) (   0.88,-133.16)  458.00                80
 11/07/2021   10:37:00   (   0.02,-137.16) (   0.33,-138.42)  144.69                80
 11/08/2021   10:20:55   (   0.02,-137.14) (  -0.73,-133.90)  370.16                80
 11/09/2021   22:40:10   (  -0.01,-137.11) (  -0.51,-139.18)  237.17                80
 11/10/2021   22:24:05   (  -0.01,-137.09) (   0.56,-134.66)  277.46                80
 11/12/2021   10:43:11   (   0.01,-137.06) (   0.65,-139.92)  325.96                80
 11/13/2021   10:27:06   (   0.01,-137.04) (  -0.35,-135.38)  188.56                80