Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 20.  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)
 06/20/2021   15:12:01   (  -0.10,-128.45) (  -1.04,-124.47)  454.24                80
 06/22/2021   03:44:44   (   0.11,-128.36) (  -0.83,-132.29)  449.64                80
 06/23/2021   03:32:59   (   0.11,-128.35) (  -0.17,-129.43)  124.09                80
 06/24/2021   03:18:35   (   0.11,-128.33) (   0.50,-126.56)  201.34                80
 06/26/2021   15:39:17   (  -0.13,-128.35) (   0.61,-131.46)  355.77                80
 06/27/2021   15:27:32   (  -0.13,-128.33) (  -0.07,-128.60)   30.25                80
 06/28/2021   15:18:28   (  -0.13,-128.31) (  -0.75,-125.73)  295.23                80
 07/01/2021   03:39:28   (   0.14,-128.21) (  -0.42,-130.69)  283.18                80
 07/02/2021   03:25:03   (   0.14,-128.19) (   0.26,-127.83)   42.15                80
 07/03/2021   03:13:18   (   0.14,-128.17) (   0.88,-124.95)  367.18                80