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) (  -0.00,-128.28)   12.50                80
 07/04/2021   09:59:29   (  -0.01,-128.19) (   0.20,-129.02)   94.69                80
 07/05/2021   09:43:25   (  -0.01,-128.16) (  -0.82,-124.49)  418.90                80
 07/06/2021   22:02:41   (   0.03,-128.04) (  -0.37,-129.79)  199.69                80
 07/07/2021   21:46:36   (   0.02,-128.01) (   0.65,-125.26)  313.72                80
 07/09/2021   10:05:45   (  -0.04,-128.05) (   0.50,-130.54)  283.60                80
 07/10/2021   09:49:39   (  -0.03,-128.01) (  -0.46,-126.00)  229.26                80
 07/11/2021   22:08:56   (   0.05,-127.87) (  -0.72,-131.30)  390.85                80
 07/12/2021   21:52:51   (   0.04,-127.84) (   0.30,-126.77)  122.01                80
 07/14/2021   10:11:59   (  -0.06,-127.87) (   0.86,-132.05)  475.69                80