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   (  -0.05,-127.97) (  -0.88,-131.64)  417.99                80
 05/12/2021   03:23:48   (  -0.06,-128.00) (  -0.25,-128.76)   87.68                80
 05/13/2021   03:09:25   (  -0.06,-128.03) (   0.43,-125.90)  242.50                80
 05/15/2021   15:30:18   (   0.05,-128.19) (   0.66,-130.85)  303.92                80
 05/16/2021   15:21:13   (   0.05,-128.21) (   0.02,-127.98)   26.03                80
 05/17/2021   15:09:30   (   0.05,-128.24) (  -0.69,-125.12)  355.65                80
 05/20/2021   03:30:23   (  -0.04,-128.20) (  -0.49,-130.06)  212.28                80
 05/21/2021   03:15:59   (  -0.04,-128.22) (   0.20,-127.20)  116.90                80
 05/22/2021   03:04:15   (  -0.05,-128.24) (   0.84,-124.33)  446.00                80
 05/23/2021   15:36:50   (   0.04,-128.35) (   0.90,-132.13)  431.80                80
 05/24/2021   15:25:05   (   0.04,-128.36) (   0.24,-129.27)  102.74                80