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   21:59:03   (  -0.43,-128.21) (   0.00,-128.31)   49.24                80
 09/06/2021   09:59:18   (   0.42,-128.24) (   0.56,-128.96)   81.21                80
 09/07/2021   09:43:13   (   0.42,-128.23) (  -0.42,-124.42)  434.26                80
 09/08/2021   22:02:29   (  -0.42,-128.16) (  -0.76,-129.72)  178.02                80
 09/09/2021   21:46:24   (  -0.42,-128.15) (   0.22,-125.19)  337.08                80
 09/11/2021   10:05:32   (   0.42,-128.18) (   0.90,-130.47)  260.38                80
 09/12/2021   09:49:27   (   0.42,-128.16) (  -0.07,-125.93)  254.30                80
 09/13/2021   22:08:43   (  -0.40,-128.08) (  -1.10,-131.23)  359.36                80
 09/14/2021   21:52:37   (  -0.41,-128.06) (  -0.12,-126.69)  154.69                80
 09/16/2021   10:11:46   (   0.39,-128.07) (   1.24,-131.98)  444.56                80
 09/17/2021   09:55:40   (   0.39,-128.05) (   0.27,-127.44)   69.50                80