Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 8 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)
 08/23/2021   22:04:05   (   0.26,-128.22) (   0.00,-129.90)  188.64                 0
 08/24/2021   21:46:39   (   0.25,-128.23) (   0.91,-125.34)  328.99                80
 08/26/2021   10:05:46   (  -0.27,-128.32) (   0.27,-130.61)  262.03                80
 08/27/2021   09:49:41   (  -0.26,-128.32) (  -0.76,-126.08)  255.16                80
 08/28/2021   22:08:58   (   0.28,-128.25) (  -0.42,-131.39)  358.06                80
 08/29/2021   21:52:53   (   0.27,-128.25) (   0.61,-126.86)  158.50                80
 08/31/2021   10:12:01   (  -0.29,-128.32) (   0.57,-132.13)  434.10                80
 09/01/2021   09:55:56   (  -0.29,-128.32) (  -0.46,-127.60)   82.22                80
 09/03/2021   21:56:27   (   0.30,-128.23) (   0.26,-128.37)   16.02                80
 09/04/2021   21:40:22   (   0.30,-128.22) (   1.29,-123.84)  499.65                80
 09/06/2021   09:59:30   (  -0.31,-128.29) (  -0.11,-129.11)   94.19                80