Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 8.  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)
 10/10/2021   03:54:17   (   0.22,-128.00) (  -0.49,-131.13)  356.42                80
 10/11/2021   03:42:30   (   0.21,-128.03) (   0.14,-128.25)   25.31                80
 10/12/2021   03:33:25   (   0.20,-128.06) (   0.82,-125.38)  305.74                80
 10/14/2021   15:51:27   (  -0.23,-128.13) (   0.28,-130.28)  246.16                80
 10/15/2021   15:42:20   (  -0.23,-128.15) (  -0.37,-127.40)   84.84                80
 10/16/2021   15:30:35   (  -0.22,-128.18) (  -1.07,-124.54)  415.80                80
 10/18/2021   04:00:35   (   0.26,-128.21) (  -0.72,-132.36)  474.04                80
 10/19/2021   03:48:50   (   0.25,-128.24) (  -0.03,-129.49)  143.24                80
 10/20/2021   03:39:43   (   0.24,-128.26) (   0.60,-126.61)  187.48                80