Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2021   21:56:09   (  -0.03,-127.52) (  -0.19,-128.12)   68.93                80
 04/29/2021   21:40:05   (  -0.02,-127.48) (   0.87,-123.60)  442.64                80
 05/01/2021   10:01:52   (   0.03,-127.42) (   0.37,-128.86)  164.33                80
 05/02/2021   09:40:28   (   0.03,-127.37) (  -0.63,-124.33)  346.17                80
 05/03/2021   22:02:25   (  -0.04,-127.28) (  -0.54,-129.64)  268.35                80
 05/04/2021   21:46:21   (  -0.03,-127.23) (   0.47,-125.11)  242.99                80
 05/06/2021   10:08:08   (   0.04,-127.19) (   0.77,-130.37)  362.73                80
 05/07/2021   09:46:44   (   0.04,-127.14) (  -0.23,-125.84)  147.77                80
 05/08/2021   22:08:40   (  -0.04,-127.04) (  -0.99,-131.14)  468.29                80
 05/09/2021   21:52:36   (  -0.04,-126.99) (   0.07,-126.62)   42.84                80