Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 10 23.  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)
 10/24/2021   09:59:04   (   0.22,-128.34) (   0.34,-128.94)   68.54                80
 10/25/2021   09:42:59   (   0.23,-128.35) (  -0.66,-124.40)  449.86                80
 10/26/2021   22:02:15   (  -0.20,-128.36) (  -0.48,-129.71)  153.76                80
 10/27/2021   21:46:10   (  -0.21,-128.37) (   0.51,-125.18)  364.36                80
 10/29/2021   10:05:17   (   0.18,-128.39) (   0.64,-130.45)  234.29                80
 10/30/2021   09:49:12   (   0.19,-128.40) (  -0.35,-125.91)  283.49                80
 10/31/2021   22:08:28   (  -0.16,-128.40) (  -0.78,-131.22)  321.05                80
 11/01/2021   21:52:22   (  -0.17,-128.41) (   0.22,-126.68)  196.66                80
 11/03/2021   10:11:30   (   0.14,-128.42) (   0.94,-131.95)  402.48                80
 11/04/2021   09:55:24   (   0.16,-128.43) (  -0.06,-127.42)  114.80                80
 11/05/2021   22:14:40   (  -0.13,-128.42) (  -1.07,-132.73)  490.98                80