Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 3.  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)
 09/03/2021   21:56:15   (  -0.43,-128.21) (  -0.45,-128.21)    2.01                80
 09/06/2021   09:59:18   (   0.42,-128.24) (   0.59,-128.95)   81.35                80
 09/07/2021   09:43:13   (   0.42,-128.23) (  -0.44,-124.42)  434.05                80
 09/08/2021   22:02:29   (  -0.42,-128.16) (  -0.79,-129.72)  178.31                80
 09/09/2021   21:46:24   (  -0.42,-128.14) (   0.24,-125.19)  336.76                80
 09/11/2021   10:05:31   (   0.41,-128.17) (   0.94,-130.46)  260.73                80
 09/12/2021   09:49:27   (   0.42,-128.16) (  -0.10,-125.93)  253.92                80
 09/13/2021   22:08:42   (  -0.40,-128.07) (  -1.13,-131.23)  359.80                80
 09/14/2021   21:52:38   (  -0.41,-128.05) (  -0.09,-126.70)  154.22                80
 09/16/2021   10:11:45   (   0.39,-128.07) (   1.27,-131.97)  445.07                80