Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 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)
 07/01/2021   21:56:26   (   0.00,-128.17) (   0.01,-128.28)   12.66                80
 07/04/2021   09:59:29   (  -0.01,-128.19) (   0.19,-129.02)   94.91                80
 07/05/2021   09:43:25   (  -0.01,-128.16) (  -0.83,-124.49)  418.61                80
 07/06/2021   22:02:41   (   0.03,-128.04) (  -0.36,-129.79)  199.92                80
 07/07/2021   21:46:37   (   0.02,-128.01) (   0.66,-125.26)  313.43                80
 07/09/2021   10:05:45   (  -0.04,-128.04) (   0.50,-130.54)  284.12                80
 07/10/2021   09:49:39   (  -0.03,-128.01) (  -0.46,-126.00)  228.68                80
 07/11/2021   22:08:56   (   0.05,-127.87) (  -0.72,-131.30)  391.36                80
 07/12/2021   21:52:51   (   0.04,-127.84) (   0.30,-126.78)  121.44                80
 07/14/2021   10:12:00   (  -0.06,-127.87) (   0.86,-132.05)  476.51                80
 07/15/2021   09:55:54   (  -0.05,-127.83) (  -0.10,-127.51)   35.94                80