Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 14.  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)
 05/15/2021   15:30:18   (   0.04,-128.19) (   0.63,-130.86)  304.03                80
 05/16/2021   15:21:14   (   0.04,-128.21) (  -0.01,-127.99)   25.81                80
 05/17/2021   15:09:29   (   0.04,-128.24) (  -0.66,-125.12)  355.57                80
 05/20/2021   03:30:23   (  -0.03,-128.20) (  -0.46,-130.06)  212.30                80
 05/21/2021   03:15:58   (  -0.04,-128.22) (   0.18,-127.19)  116.92                80
 05/22/2021   03:04:15   (  -0.04,-128.24) (   0.87,-124.33)  446.00                80
 05/23/2021   15:36:49   (   0.03,-128.35) (   0.92,-132.13)  431.89                80
 05/24/2021   15:25:05   (   0.03,-128.36) (   0.27,-129.26)  102.84                80
 05/25/2021   15:16:01   (   0.04,-128.38) (  -0.45,-126.40)  226.02                80