Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 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)
 08/09/2021   15:27:04   (  -0.21,-128.07) (  -0.62,-126.22)  211.32                80
 08/12/2021   03:47:56   (   0.19,-128.13) (  -0.51,-131.16)  345.06                80
 08/13/2021   03:36:10   (   0.20,-128.15) (   0.16,-128.29)   15.96                80
 08/14/2021   03:21:45   (   0.21,-128.16) (   0.82,-125.41)  312.93                80
 08/16/2021   15:42:33   (  -0.18,-128.17) (   0.30,-130.34)  246.90                80
 08/17/2021   15:33:27   (  -0.19,-128.18) (  -0.35,-127.46)   81.59                80
 08/18/2021   15:19:03   (  -0.20,-128.19) (  -1.06,-124.60)  409.88                80
 08/20/2021   03:54:16   (   0.17,-128.22) (  -0.83,-132.38)  475.34                80
 08/21/2021   03:42:32   (   0.18,-128.23) (  -0.10,-129.52)  147.45                80
 08/22/2021   03:28:06   (   0.19,-128.23) (   0.56,-126.65)  180.37                80