Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 23.  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)
 05/23/2021   09:46:52   (   0.07,-128.35) (  -0.45,-125.92)  276.45                80
 05/24/2021   22:08:49   (  -0.07,-128.31) (  -0.71,-131.24)  332.69                80
 05/25/2021   21:52:45   (  -0.07,-128.33) (   0.30,-126.71)  185.50                80
 05/27/2021   10:14:33   (   0.07,-128.43) (   0.86,-131.98)  405.17                80
 05/28/2021   09:53:09   (   0.07,-128.44) (  -0.15,-127.45)  112.05                80
 05/29/2021   22:15:05   (  -0.07,-128.38) (  -1.07,-132.75)  499.16                80
 05/30/2021   21:59:01   (  -0.07,-128.39) (  -0.06,-128.22)   18.79                80
 06/02/2021   10:02:05   (   0.07,-128.50) (   0.15,-128.98)   54.60                80
 06/03/2021   09:40:41   (   0.08,-128.50) (  -0.86,-124.45)  462.67                80
 06/04/2021   22:02:37   (  -0.08,-128.44) (  -0.35,-129.75)  149.05                80
 06/05/2021   21:46:33   (  -0.08,-128.45) (   0.66,-125.22)  368.44                80