Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 11.  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)
 08/12/2021   03:47:55   (   0.19,-128.14) (  -0.54,-131.15)  344.56                80
 08/13/2021   03:36:11   (   0.19,-128.15) (   0.18,-128.29)   15.42                80
 08/14/2021   03:21:45   (   0.20,-128.17) (   0.84,-125.42)  313.70                80
 08/16/2021   15:45:12   (  -0.18,-128.18) (   0.33,-130.33)  245.60                80
 08/17/2021   15:30:48   (  -0.19,-128.19) (  -0.37,-127.47)   83.03                80
 08/18/2021   15:21:42   (  -0.19,-128.20) (  -1.02,-124.60)  411.43                80
 08/20/2021   03:54:16   (   0.16,-128.24) (  -0.81,-132.38)  473.76                80
 08/21/2021   03:42:31   (   0.18,-128.24) (  -0.14,-129.51)  145.75                80
 08/22/2021   03:28:06   (   0.19,-128.25) (   0.58,-126.66)  182.21                80
 08/24/2021   15:51:34   (  -0.16,-128.23) (   0.62,-131.57)  380.83                80