Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 12.  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)
 10/12/2021   03:33:25   (   0.20,-128.06) (   0.82,-125.38)  306.00                80
 10/14/2021   15:51:27   (  -0.23,-128.13) (   0.28,-130.28)  245.73                80
 10/15/2021   15:42:21   (  -0.22,-128.16) (  -0.43,-127.42)   85.32                80
 10/16/2021   15:30:35   (  -0.21,-128.18) (  -1.07,-124.54)  416.34                80
 10/18/2021   04:00:35   (   0.26,-128.22) (  -0.72,-132.36)  473.46                80
 10/19/2021   03:48:49   (   0.25,-128.24) (  -0.03,-129.49)  142.62                80
 10/20/2021   03:39:43   (   0.24,-128.27) (   0.61,-126.61)  188.15                80
 10/22/2021   15:57:43   (  -0.26,-128.33) (   0.48,-131.51)  363.67                80
 10/23/2021   15:45:56   (  -0.25,-128.35) (  -0.17,-128.63)   33.21                80
 10/24/2021   15:36:51   (  -0.24,-128.36) (  -0.88,-125.77)  297.17                80