Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 3.  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)
 06/03/2021   15:10:48   (  -0.03,-128.50) (  -0.89,-124.81)  421.56                80
 06/05/2021   03:43:29   (   0.04,-128.43) (  -0.91,-132.64)  479.35                80
 06/06/2021   03:31:45   (   0.04,-128.44) (  -0.26,-129.77)  151.57                80
 06/07/2021   03:17:20   (   0.04,-128.44) (   0.38,-126.90)  176.07                80
 06/09/2021   15:38:06   (  -0.06,-128.53) (   0.71,-131.81)  375.39                80
 06/10/2021   15:26:21   (  -0.06,-128.53) (   0.04,-128.95)   48.01                80
 06/11/2021   15:17:17   (  -0.06,-128.52) (  -0.63,-126.08)  279.14                80
 06/14/2021   03:38:15   (   0.07,-128.44) (  -0.56,-131.03)  296.90                80
 06/15/2021   03:23:51   (   0.07,-128.43) (   0.16,-128.18)   29.65                80
 06/16/2021   03:12:07   (   0.07,-128.42) (   0.81,-125.31)  355.92                80