Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 10.  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)
 05/11/2021   03:35:33   (  -0.06,-127.97) (  -0.89,-131.64)  418.00                80
 05/12/2021   03:23:48   (  -0.06,-128.00) (  -0.26,-128.76)   87.71                80
 05/13/2021   03:09:25   (  -0.06,-128.03) (   0.42,-125.90)  242.51                80
 05/15/2021   15:30:17   (   0.05,-128.19) (   0.67,-130.85)  303.79                80
 05/16/2021   15:21:14   (   0.05,-128.21) (  -0.03,-127.99)   26.22                80
 05/17/2021   15:09:30   (   0.05,-128.24) (  -0.67,-125.12)  355.80                80
 05/20/2021   03:30:22   (  -0.04,-128.20) (  -0.50,-130.05)  212.16                80
 05/21/2021   03:15:59   (  -0.05,-128.22) (   0.19,-127.20)  117.04                80
 05/22/2021   03:04:15   (  -0.05,-128.24) (   0.88,-124.34)  446.15                80
 05/23/2021   15:36:50   (   0.04,-128.35) (   0.91,-132.13)  431.55                80