Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 8 12.  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)
 08/12/2021   22:08:58   (   0.21,-128.10) (  -0.53,-131.36)  372.59                80
 08/13/2021   21:52:54   (   0.20,-128.11) (   0.50,-126.84)  145.75                80
 08/15/2021   10:12:02   (  -0.22,-128.23) (   0.64,-132.11)  442.73                80
 08/16/2021   09:55:57   (  -0.21,-128.24) (  -0.39,-127.59)   75.26                80
 08/18/2021   21:56:28   (   0.23,-128.17) (   0.18,-128.35)   21.01                80
 08/19/2021   21:40:24   (   0.22,-128.18) (   1.21,-123.83)  496.24                80
 08/21/2021   09:59:32   (  -0.24,-128.28) (  -0.08,-129.11)   93.57                80
 08/22/2021   09:43:27   (  -0.24,-128.29) (  -1.05,-124.57)  423.94                80
 08/23/2021   22:02:43   (   0.26,-128.21) (  -0.12,-129.87)  189.57                80
 08/24/2021   21:46:38   (   0.25,-128.22) (   0.91,-125.35)  327.74                80