Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 26.  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)
 06/26/2021   21:52:50   (  -0.01,-128.27) (   0.30,-126.76)  171.99                80
 06/28/2021   10:11:59   (  -0.00,-128.33) (   0.85,-132.03)  423.14                80
 06/29/2021   09:55:54   (   0.01,-128.31) (  -0.16,-127.50)   91.24                80
 07/01/2021   21:56:26   (  -0.00,-128.17) (  -0.02,-128.28)   11.68                80
 07/04/2021   09:59:30   (  -0.00,-128.21) (   0.15,-129.03)   92.54                80
 07/05/2021   09:43:24   (   0.00,-128.19) (  -0.80,-124.48)  421.33                80
 07/06/2021   22:02:41   (   0.02,-128.06) (  -0.38,-129.79)  197.57                80
 07/07/2021   21:46:36   (   0.01,-128.03) (   0.64,-125.26)  316.12                80
 07/09/2021   10:05:45   (  -0.03,-128.08) (   0.52,-130.54)  280.05                80