Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 11 8.  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)
 11/09/2021   09:58:56   (   0.13,-128.46) (   0.23,-128.92)   52.60                80
 11/10/2021   09:42:51   (   0.15,-128.45) (  -0.77,-124.38)  464.16                80
 11/11/2021   22:02:06   (  -0.11,-128.45) (  -0.41,-129.68)  141.35                80
 11/12/2021   21:46:01   (  -0.13,-128.44) (   0.59,-125.14)  375.55                80
 11/14/2021   10:05:08   (   0.09,-128.45) (   0.56,-130.41)  225.04                80
 11/15/2021   09:49:03   (   0.11,-128.44) (  -0.45,-125.88)  291.82                80
 11/16/2021   22:08:19   (  -0.08,-128.43) (  -0.67,-131.19)  313.84                80
 11/17/2021   21:52:12   (  -0.10,-128.43) (   0.28,-126.64)  202.86                80
 11/19/2021   10:11:20   (   0.07,-128.42) (   0.87,-131.91)  398.30                80
 11/20/2021   09:55:14   (   0.08,-128.41) (  -0.14,-127.38)  117.90                80
 11/21/2021   22:14:29   (  -0.06,-128.39) (  -1.03,-132.68)  488.99                80