Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 11 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)
 11/01/2021   21:52:23   (  -0.17,-128.43) (   0.24,-126.69)  198.97                80
 11/03/2021   10:11:30   (   0.14,-128.44) (   0.92,-131.96)  400.31                80
 11/04/2021   09:55:24   (   0.16,-128.45) (  -0.08,-127.42)  117.36                80
 11/05/2021   22:14:40   (  -0.13,-128.45) (  -1.11,-132.72)  487.10                80
 11/06/2021   21:58:34   (  -0.15,-128.45) (  -0.10,-128.18)   30.10                80
 11/09/2021   09:58:56   (   0.13,-128.44) (   0.25,-128.92)   54.00                80
 11/10/2021   09:42:51   (   0.15,-128.44) (  -0.75,-124.38)  462.58                80
 11/11/2021   22:02:07   (  -0.11,-128.43) (  -0.37,-129.69)  143.17                80
 11/12/2021   21:46:01   (  -0.13,-128.43) (   0.63,-125.16)  373.55                80
 11/14/2021   10:05:09   (   0.09,-128.43) (   0.52,-130.43)  227.44                80
 11/15/2021   09:49:03   (   0.11,-128.42) (  -0.48,-125.89)  289.22                80