Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 15.  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)
 05/17/2021   10:02:00   (   0.06,-128.22) (   0.22,-128.93)   81.11                80
 05/18/2021   09:40:36   (   0.06,-128.24) (  -0.78,-124.40)  437.13                80
 05/19/2021   22:02:33   (  -0.07,-128.21) (  -0.39,-129.71)  171.07                80
 05/20/2021   21:46:29   (  -0.07,-128.23) (   0.62,-125.18)  347.55                80
 05/22/2021   10:08:17   (   0.07,-128.33) (   0.54,-130.46)  242.64                80
 05/23/2021   09:46:52   (   0.07,-128.34) (  -0.46,-125.93)  275.07                80
 05/24/2021   22:08:50   (  -0.07,-128.29) (  -0.70,-131.24)  335.11                80
 05/25/2021   21:52:45   (  -0.07,-128.31) (   0.31,-126.71)  182.65                80
 05/27/2021   10:14:33   (   0.07,-128.40) (   0.86,-131.98)  408.14                80
 05/28/2021   09:53:09   (   0.06,-128.41) (  -0.15,-127.45)  108.72                80