Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 19.  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)
 01/20/2021   22:33:59   (   0.00,-137.21) (  -0.09,-137.62)   46.77                80
 01/21/2021   22:17:55   (   0.01,-137.21) (   0.94,-133.09)  469.42                80
 01/23/2021   10:39:42   (  -0.01,-137.20) (   0.26,-138.35)  131.76                80
 01/24/2021   10:18:18   (  -0.01,-137.19) (  -0.76,-133.82)  383.82                80
 01/25/2021   22:40:14   (   0.02,-137.17) (  -0.43,-139.12)  222.30                80
 01/26/2021   22:24:09   (   0.02,-137.16) (   0.59,-134.59)  292.89                80
 01/28/2021   10:45:57   (  -0.02,-137.14) (   0.60,-139.85)  309.58                80
 01/29/2021   10:24:32   (  -0.02,-137.12) (  -0.42,-135.32)  205.17                80
 01/30/2021   22:46:29   (   0.02,-137.09) (  -0.76,-140.63)  402.18                80
 01/31/2021   22:30:24   (   0.02,-137.08) (   0.27,-136.10)  112.47                80