Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 7.  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)
 05/07/2021   15:23:44   (   0.07,-127.95) (   0.41,-129.57)  184.39                80
 05/08/2021   15:14:40   (   0.07,-127.98) (  -0.22,-126.69)  146.79                80
 05/09/2021   15:02:57   (   0.07,-128.02) (  -0.91,-123.84)  477.83                80
 05/11/2021   03:35:32   (  -0.06,-127.97) (  -0.94,-131.63)  417.81                80
 05/12/2021   03:23:48   (  -0.06,-128.00) (  -0.25,-128.77)   87.37                80
 05/13/2021   03:09:25   (  -0.06,-128.03) (   0.43,-125.91)  242.91                80
 05/15/2021   15:30:18   (   0.05,-128.20) (   0.66,-130.85)  302.82                80
 05/16/2021   15:21:13   (   0.05,-128.22) (   0.01,-127.98)   27.20                80
 05/17/2021   15:09:30   (   0.05,-128.25) (  -0.69,-125.13)  357.00                80
 05/20/2021   03:30:23   (  -0.05,-128.21) (  -0.48,-130.06)  210.89                80