Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 10.  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   03:34:10   (   0.17,-127.95) (   0.00,-129.08)  127.06                80
 07/11/2021   03:19:43   (   0.18,-127.92) (   0.57,-126.19)  196.76                80
 07/13/2021   15:40:24   (  -0.18,-127.86) (   0.57,-131.08)  367.87                80
 07/14/2021   15:28:39   (  -0.19,-127.82) (  -0.12,-128.22)   44.50                80
 07/15/2021   15:19:34   (  -0.19,-127.79) (  -0.75,-125.34)  278.89                80
 07/18/2021   03:40:32   (   0.19,-127.65) (  -0.43,-130.30)  301.82                80
 07/19/2021   03:26:06   (   0.19,-127.61) (   0.22,-127.42)   20.86                80
 07/20/2021   03:14:22   (   0.19,-127.56) (   0.92,-124.56)  343.19                80
 07/22/2021   15:35:04   (  -0.20,-127.46) (   0.24,-129.45)  226.39                80
 07/23/2021   15:25:58   (  -0.20,-127.41) (  -0.39,-126.58)   95.66                80