Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 27.  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)
 06/28/2021   10:11:59   (  -0.00,-128.32) (   0.82,-132.04)  423.34                80
 06/29/2021   09:55:55   (   0.01,-128.30) (  -0.20,-127.51)   91.02                80
 07/01/2021   21:56:26   (  -0.00,-128.17) (  -0.04,-128.27)   11.96                80
 07/04/2021   09:59:30   (  -0.01,-128.20) (   0.18,-129.02)   93.05                80
 07/05/2021   09:43:25   (   0.00,-128.18) (  -0.84,-124.49)  420.72                80
 07/06/2021   22:02:41   (   0.02,-128.05) (  -0.35,-129.80)  198.13                80
 07/07/2021   21:46:36   (   0.01,-128.03) (   0.61,-125.25)  315.51                80
 07/09/2021   10:05:44   (  -0.03,-128.07) (   0.55,-130.53)  280.91                80
 07/10/2021   09:49:40   (  -0.02,-128.04) (  -0.47,-126.00)  232.15                80