Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 15.  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)
 08/16/2021   15:45:12   (  -0.17,-128.19) (   0.32,-130.33)  244.41                80
 08/17/2021   15:33:27   (  -0.18,-128.20) (  -0.33,-127.46)   84.41                80
 08/18/2021   15:21:26   (  -0.19,-128.21) (  -1.04,-124.60)  412.96                64
 08/20/2021   03:54:17   (   0.16,-128.25) (  -0.79,-132.39)  472.40                80
 08/21/2021   03:42:31   (   0.17,-128.25) (  -0.12,-129.52)  144.21                80
 08/22/2021   03:28:06   (   0.19,-128.26) (   0.54,-126.65)  183.90                80
 08/24/2021   15:51:35   (  -0.16,-128.25) (   0.59,-131.57)  378.20                80
 08/25/2021   15:39:49   (  -0.17,-128.26) (  -0.07,-128.70)   49.69                80
 08/26/2021   15:25:24   (  -0.18,-128.27) (  -0.72,-125.83)  278.76                80