Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 11 10.  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)
 11/10/2021   09:42:51   (   0.14,-128.45) (  -0.77,-124.38)  464.06                80
 11/11/2021   22:02:06   (  -0.11,-128.44) (  -0.41,-129.68)  141.48                80
 11/12/2021   21:46:01   (  -0.12,-128.44) (   0.59,-125.14)  375.37                80
 11/14/2021   10:05:08   (   0.09,-128.44) (   0.55,-130.41)  225.31                80
 11/15/2021   09:49:03   (   0.11,-128.44) (  -0.45,-125.88)  291.49                80
 11/16/2021   22:08:18   (  -0.08,-128.43) (  -0.72,-131.18)  314.21                80
 11/17/2021   21:52:12   (  -0.10,-128.42) (   0.29,-126.64)  202.43                80
 11/19/2021   10:11:20   (   0.07,-128.42) (   0.86,-131.91)  398.79                80
 11/20/2021   09:55:14   (   0.08,-128.41) (  -0.15,-127.38)  117.35                80
 11/21/2021   22:14:29   (  -0.06,-128.38) (  -1.02,-132.68)  489.58                80
 11/22/2021   21:58:24   (  -0.07,-128.37) (  -0.01,-128.15)   26.22                80