Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 6.  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)
 09/06/2021   09:59:18   (   0.43,-128.24) (   0.59,-128.95)   80.71                80
 09/07/2021   09:43:13   (   0.43,-128.24) (  -0.45,-124.42)  434.86                80
 09/08/2021   22:02:29   (  -0.42,-128.17) (  -0.79,-129.72)  177.28                80
 09/09/2021   21:46:24   (  -0.42,-128.15) (   0.25,-125.19)  337.95                80
 09/11/2021   10:05:31   (   0.42,-128.19) (   0.93,-130.46)  259.22                80
 09/12/2021   09:49:27   (   0.42,-128.17) (  -0.10,-125.93)  255.59                80
 09/13/2021   22:08:42   (  -0.41,-128.09) (  -1.13,-131.23)  357.94                80
 09/14/2021   21:52:38   (  -0.41,-128.07) (  -0.09,-126.70)  156.24                80
 09/16/2021   10:11:45   (   0.39,-128.09) (   1.27,-131.97)  442.73                80
 09/17/2021   09:55:41   (   0.39,-128.06) (   0.23,-127.44)   71.49                80
 09/19/2021   21:56:12   (  -0.38,-127.96) (  -0.42,-128.21)   28.17                80