Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 3 17.  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)
 03/17/2021   21:46:05   (   0.11,-128.43) (   0.90,-125.04)  387.10                80
 03/19/2021   10:07:51   (  -0.10,-128.40) (   0.35,-130.29)  215.30                80
 03/20/2021   09:46:26   (  -0.11,-128.40) (  -0.69,-125.76)  300.68                80
 03/21/2021   22:08:22   (   0.09,-128.41) (  -0.53,-131.05)  301.12                80
 03/22/2021   21:52:17   (   0.09,-128.41) (   0.51,-126.52)  215.16                80
 03/24/2021   10:14:05   (  -0.08,-128.38) (   0.67,-131.78)  387.34                80
 03/25/2021   09:52:39   (  -0.08,-128.37) (  -0.31,-127.24)  127.95                80
 03/26/2021   22:14:35   (   0.07,-128.37) (  -0.85,-132.55)  475.85                80
 03/27/2021   21:58:30   (   0.07,-128.36) (   0.14,-128.01)   39.89                80
 03/30/2021   10:01:33   (  -0.07,-128.32) (   0.01,-128.74)   47.69                80