Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 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)
 10/11/2021   03:42:31   (   0.21,-128.03) (   0.16,-128.25)   24.97                80
 10/12/2021   03:33:25   (   0.20,-128.06) (   0.85,-125.38)  306.05                80
 10/14/2021   15:51:27   (  -0.23,-128.13) (   0.25,-130.29)  245.70                80
 10/15/2021   15:42:21   (  -0.22,-128.16) (  -0.40,-127.41)   85.31                80
 10/16/2021   15:30:34   (  -0.22,-128.18) (  -1.05,-124.53)  416.40                80
 10/18/2021   04:00:35   (   0.26,-128.22) (  -0.69,-132.37)  473.34                80
 10/19/2021   03:48:49   (   0.25,-128.24) (  -0.05,-129.49)  142.47                80
 10/20/2021   03:39:43   (   0.24,-128.27) (   0.64,-126.62)  188.31                80
 10/22/2021   15:57:43   (  -0.26,-128.33) (   0.46,-131.52)  363.53                80
 10/23/2021   15:45:57   (  -0.25,-128.35) (  -0.20,-128.64)   32.99                80
 10/24/2021   15:36:50   (  -0.25,-128.37) (  -0.85,-125.76)  297.32                80