Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 11 18.  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)
 11/19/2021   10:11:19   (   0.07,-128.40) (   0.88,-131.91)  400.93                80
 11/20/2021   09:55:14   (   0.08,-128.38) (  -0.13,-127.37)  114.83                80
 11/21/2021   22:14:29   (  -0.06,-128.36) (  -1.04,-132.67)  491.93                80
 11/22/2021   21:58:24   (  -0.07,-128.35) (  -0.03,-128.14)   23.55                80
 11/25/2021   09:58:46   (   0.06,-128.30) (   0.17,-128.87)   64.94                80
 11/26/2021   09:42:40   (   0.07,-128.28) (  -0.84,-124.34)  449.98                80
 11/27/2021   22:01:55   (  -0.04,-128.25) (  -0.33,-129.64)  157.93                80
 11/28/2021   21:45:49   (  -0.05,-128.23) (   0.62,-125.09)  356.96                80
 11/30/2021   10:04:56   (   0.02,-128.19) (   0.52,-130.36)  247.23                80
 12/01/2021   09:48:51   (   0.04,-128.17) (  -0.49,-125.83)  267.18                80