Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 1.  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)
 05/01/2021   10:01:53   (   0.04,-127.68) (   0.31,-128.87)  135.90                80
 05/02/2021   09:40:29   (   0.03,-127.71) (  -0.69,-124.34)  384.06                80
 05/03/2021   22:02:26   (  -0.04,-127.73) (  -0.48,-129.65)  218.82                80
 05/04/2021   21:46:23   (  -0.04,-127.78) (   0.58,-125.13)  301.93                80
 05/06/2021   10:08:11   (   0.05,-127.89) (   0.59,-130.41)  286.66                80
 05/07/2021   09:46:46   (   0.04,-127.92) (  -0.41,-125.88)  233.29                80
 05/08/2021   22:08:44   (  -0.05,-127.93) (  -0.76,-131.19)  370.93                80
 05/09/2021   21:52:39   (  -0.04,-127.97) (   0.25,-126.66)  149.51                80
 05/11/2021   10:14:28   (   0.05,-128.09) (   0.92,-131.93)  438.69                80
 05/12/2021   09:53:04   (   0.04,-128.12) (  -0.14,-127.42)   80.67                80
 05/14/2021   21:58:56   (  -0.03,-128.14) (  -0.07,-128.19)    6.89                80