Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 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)
 04/16/2021   22:21:40   (   0.04,-137.19) (   0.63,-134.60)  295.61                80
 04/18/2021   10:46:08   (  -0.03,-137.19) (   0.56,-139.88)  306.33                80
 04/19/2021   10:24:44   (  -0.03,-137.18) (  -0.44,-135.34)  208.81                80
 04/20/2021   22:46:41   (   0.02,-137.16) (  -0.73,-140.66)  397.93                80
 04/21/2021   22:30:36   (   0.02,-137.15) (   0.26,-136.13)  116.94                80
 04/23/2021   10:52:25   (  -0.01,-137.13) (   0.92,-141.40)  486.02                80
 04/24/2021   10:31:00   (  -0.02,-137.11) (  -0.08,-136.87)   28.44                80
 04/26/2021   22:34:13   (   0.02,-137.07) (  -0.09,-137.65)   65.51                80
 04/27/2021   22:18:09   (   0.02,-137.05) (   0.91,-133.12)  448.36                80
 04/29/2021   10:39:57   (  -0.02,-137.01) (   0.27,-138.39)  156.33                80