Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 14.  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)
 01/14/2021   22:46:29   (   0.01,-137.24) (  -0.78,-140.64)  388.13                80
 01/15/2021   22:30:24   (   0.01,-137.24) (   0.24,-136.11)  128.15                80
 01/17/2021   10:52:12   (  -0.01,-137.23) (   0.90,-141.39)  473.18                80
 01/18/2021   10:30:48   (  -0.01,-137.23) (  -0.12,-136.86)   42.94                80
 01/20/2021   22:34:00   (   0.02,-137.22) (  -0.07,-137.62)   45.95                80
 01/21/2021   22:17:55   (   0.02,-137.21) (   0.95,-133.09)  469.67                80
 01/23/2021   10:39:43   (  -0.02,-137.19) (   0.25,-138.36)  132.95                80
 01/24/2021   10:18:18   (  -0.03,-137.18) (  -0.77,-133.82)  382.08                80
 01/25/2021   22:40:14   (   0.03,-137.16) (  -0.43,-139.12)  224.41                80
 01/26/2021   22:24:10   (   0.04,-137.14) (   0.59,-134.59)  290.18                80