Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 5.  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)
 09/06/2021   03:52:30   (   0.02,-128.23) (  -0.82,-131.94)  423.53                80
 09/07/2021   03:40:43   (   0.01,-128.22) (  -0.21,-129.06)   96.54                80
 09/08/2021   03:31:38   (  -0.00,-128.21) (   0.46,-126.19)  230.33                80
 09/10/2021   15:49:47   (  -0.05,-128.16) (   0.64,-131.12)  338.10                80
 09/11/2021   15:38:01   (  -0.03,-128.15) (   0.02,-128.24)   11.88                80
 09/12/2021   15:28:55   (  -0.02,-128.13) (  -0.66,-125.37)  314.89                80
 09/15/2021   03:47:03   (   0.07,-128.10) (  -0.46,-130.29)  251.39                80
 09/16/2021   03:37:58   (   0.06,-128.07) (   0.21,-127.42)   74.16                80
 09/17/2021   03:26:12   (   0.05,-128.05) (   0.89,-124.55)  399.73                80
 09/18/2021   15:56:07   (  -0.12,-127.99) (   0.88,-132.35)  497.61                80