Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 10 16.  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)
 10/16/2021   21:52:29   (  -0.26,-128.17) (   0.10,-126.70)  168.97                80
 10/18/2021   10:11:36   (   0.23,-128.23) (   1.06,-131.97)  425.94                80
 10/19/2021   09:55:31   (   0.24,-128.25) (   0.07,-127.43)   93.55                80
 10/21/2021   21:58:42   (  -0.23,-128.29) (  -0.22,-128.20)    9.82                80
 10/24/2021   09:59:05   (   0.22,-128.35) (   0.33,-128.95)   67.10                80
 10/25/2021   09:42:59   (   0.23,-128.37) (  -0.67,-124.41)  451.57                80
 10/26/2021   22:02:14   (  -0.20,-128.37) (  -0.53,-129.71)  153.06                80
 10/27/2021   21:46:10   (  -0.21,-128.38) (   0.53,-125.18)  365.26                80
 10/29/2021   10:05:17   (   0.18,-128.42) (   0.63,-130.45)  231.85                80
 10/30/2021   09:49:12   (   0.19,-128.43) (  -0.36,-125.92)  286.16                80