Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 1.  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)
 07/02/2021   03:25:03   (   0.15,-128.17) (   0.24,-127.82)   40.47                80
 07/03/2021   03:13:18   (   0.15,-128.15) (   0.92,-124.96)  365.24                80
 07/05/2021   15:33:58   (  -0.16,-128.14) (   0.26,-129.84)  194.29                80
 07/06/2021   15:24:54   (  -0.16,-128.11) (  -0.42,-126.97)  130.17                80
 07/07/2021   15:13:09   (  -0.16,-128.08) (  -1.10,-124.11)  454.44                80
 07/09/2021   03:45:53   (   0.17,-127.99) (  -0.72,-131.94)  450.43                80
 07/10/2021   03:34:08   (   0.17,-127.95) (  -0.09,-129.06)  126.79                80
 07/11/2021   03:19:44   (   0.18,-127.92) (   0.60,-126.20)  196.71                80
 07/13/2021   15:40:24   (  -0.18,-127.87) (   0.54,-131.09)  367.32                80
 07/14/2021   15:28:39   (  -0.19,-127.83) (  -0.09,-128.21)   43.85                80
 07/15/2021   15:19:34   (  -0.19,-127.80) (  -0.77,-125.35)  279.55                80