Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2021   15:18:27   (  -0.14,-128.31) (  -0.72,-125.72)  295.16                80
 07/01/2021   03:39:27   (   0.15,-128.20) (  -0.45,-130.69)  284.37                80
 07/02/2021   03:25:03   (   0.15,-128.18) (   0.23,-127.82)   40.66                80
 07/03/2021   03:13:18   (   0.15,-128.15) (   0.91,-124.96)  365.64                80
 07/05/2021   15:33:59   (  -0.16,-128.15) (   0.21,-129.85)  193.00                80
 07/06/2021   15:24:54   (  -0.16,-128.13) (  -0.41,-126.97)  131.69                80
 07/07/2021   15:13:09   (  -0.16,-128.10) (  -1.09,-124.11)  456.17                80
 07/09/2021   03:45:53   (   0.17,-128.01) (  -0.73,-131.94)  448.70                80
 07/10/2021   03:34:08   (   0.17,-127.97) (  -0.10,-129.06)  124.89                80
 07/11/2021   03:19:43   (   0.18,-127.94) (   0.59,-126.20)  198.81                80