Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 8 14.  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)
 08/14/2021   03:21:46   (   0.20,-128.17) (   0.86,-125.42)  313.99                80
 08/16/2021   15:45:12   (  -0.18,-128.19) (   0.31,-130.33)  244.64                80
 08/17/2021   15:33:27   (  -0.18,-128.20) (  -0.34,-127.46)   84.13                80
 08/18/2021   15:20:52   (  -0.19,-128.21) (  -1.05,-124.60)  412.67                30
 08/20/2021   03:54:17   (   0.16,-128.25) (  -0.78,-132.39)  472.61                80
 08/21/2021   03:42:31   (   0.17,-128.25) (  -0.12,-129.52)  144.44                80
 08/22/2021   03:28:06   (   0.19,-128.26) (   0.55,-126.65)  183.63                80
 08/24/2021   15:51:35   (  -0.16,-128.25) (   0.59,-131.57)  378.72                80
 08/25/2021   15:39:49   (  -0.17,-128.26) (  -0.07,-128.70)   50.24                80
 08/26/2021   15:25:24   (  -0.18,-128.27) (  -0.73,-125.83)  278.17                80