Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 7.  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)
 08/07/2021   15:47:54   (  -0.19,-128.03) (   0.69,-131.96)  448.33                80
 08/08/2021   15:36:09   (  -0.20,-128.05) (   0.05,-129.09)  118.75                80
 08/09/2021   15:27:04   (  -0.21,-128.07) (  -0.65,-126.23)  210.76                80
 08/12/2021   03:47:55   (   0.19,-128.13) (  -0.53,-131.15)  345.82                80
 08/13/2021   03:36:11   (   0.20,-128.14) (   0.19,-128.29)   17.10                80
 08/14/2021   03:21:45   (   0.21,-128.15) (   0.86,-125.42)  311.96                80
 08/16/2021   15:45:12   (  -0.18,-128.16) (   0.31,-130.33)  248.20                80
 08/17/2021   15:33:27   (  -0.19,-128.17) (  -0.34,-127.46)   80.19                80
 08/18/2021   15:21:06   (  -0.20,-128.17) (  -1.05,-124.60)  408.37                44
 08/20/2021   03:54:17   (   0.17,-128.21) (  -0.77,-132.39)  476.90                80