Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 8.  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)
 07/09/2021   03:45:53   (   0.17,-127.99) (  -0.77,-131.93)  450.41                80
 07/10/2021   03:34:08   (   0.17,-127.95) (  -0.09,-129.06)  126.87                80
 07/11/2021   03:19:44   (   0.18,-127.91) (   0.61,-126.20)  196.55                80
 07/13/2021   15:40:23   (  -0.18,-127.86) (   0.59,-131.08)  368.23                80
 07/14/2021   15:28:39   (  -0.19,-127.82) (  -0.09,-128.21)   44.84                80
 07/15/2021   15:19:35   (  -0.19,-127.78) (  -0.77,-125.35)  278.44                80
 07/18/2021   03:40:32   (   0.19,-127.65) (  -0.40,-130.30)  302.43                80
 07/19/2021   03:26:07   (   0.19,-127.60) (   0.24,-127.43)   20.15                80
 07/20/2021   03:14:21   (   0.20,-127.56) (   0.89,-124.56)  342.48                80