Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 1.  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)
 04/01/2021   22:02:15   (   0.05,-128.32) (  -0.26,-129.59)  145.46                80
 04/02/2021   21:46:11   (   0.06,-128.31) (   0.79,-125.07)  369.06                80
 04/04/2021   10:08:00   (  -0.04,-128.27) (   0.41,-130.34)  236.36                80
 04/05/2021   09:46:35   (  -0.05,-128.24) (  -0.58,-125.81)  277.16                80
 04/06/2021   22:08:33   (   0.03,-128.23) (  -0.59,-131.12)  329.25                80
 04/07/2021   21:52:28   (   0.04,-128.21) (   0.40,-126.59)  185.03                80
 04/09/2021   10:14:16   (  -0.02,-128.18) (   0.80,-131.86)  419.27                80
 04/10/2021   09:52:52   (  -0.03,-128.16) (  -0.20,-127.33)   94.16                80
 04/12/2021   21:58:45   (   0.03,-128.11) (   0.02,-128.11)    0.31                80