Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 9.  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)
 07/10/2021   03:34:08   (   0.17,-127.95) (  -0.09,-129.06)  126.75                80
 07/11/2021   03:19:43   (   0.18,-127.92) (   0.60,-126.20)  196.67                80
 07/13/2021   15:40:24   (  -0.18,-127.86) (   0.54,-131.09)  368.06                80
 07/14/2021   15:28:39   (  -0.19,-127.82) (  -0.08,-128.21)   44.68                80
 07/15/2021   15:19:34   (  -0.19,-127.78) (  -0.77,-125.35)  278.64                80
 07/18/2021   03:40:32   (   0.19,-127.65) (  -0.41,-130.30)  302.15                80
 07/19/2021   03:26:07   (   0.19,-127.61) (   0.23,-127.43)   20.41                80
 07/20/2021   03:14:21   (   0.19,-127.56) (   0.88,-124.55)  342.79                80
 07/22/2021   15:35:03   (  -0.20,-127.46) (   0.28,-129.44)  226.86                80