Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 10 14.  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)
 10/14/2021   09:49:18   (   0.28,-128.13) (  -0.25,-125.92)  252.25                80
 10/15/2021   22:08:34   (  -0.25,-128.15) (  -0.91,-131.23)  350.86                80
 10/16/2021   21:52:29   (  -0.26,-128.17) (   0.09,-126.69)  168.79                80
 10/18/2021   10:11:36   (   0.23,-128.23) (   1.07,-131.96)  425.62                80
 10/19/2021   09:55:31   (   0.24,-128.26) (   0.08,-127.43)   94.01                80
 10/21/2021   21:57:25   (  -0.23,-128.29) (  -0.23,-128.20)   10.37                 3
 10/24/2021   09:59:04   (   0.22,-128.36) (   0.34,-128.94)   66.15                80
 10/25/2021   09:42:59   (   0.23,-128.38) (  -0.66,-124.41)  452.59                80
 10/26/2021   22:02:15   (  -0.20,-128.38) (  -0.48,-129.72)  152.17                80
 10/27/2021   21:46:10   (  -0.21,-128.39) (   0.52,-125.18)  366.23                80