Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 7.  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)
 03/07/2021   02:53:00   (  -0.04,-128.30) (   0.88,-124.26)  461.44                14
 03/08/2021   15:27:02   (   0.07,-128.39) (   0.94,-132.02)  415.35                80
 03/09/2021   15:15:19   (   0.06,-128.40) (   0.23,-129.17)   87.61                80
 03/10/2021   15:00:56   (   0.06,-128.41) (  -0.41,-126.30)  240.08                80
 03/13/2021   03:24:38   (  -0.08,-128.36) (  -0.76,-131.27)  332.45                80
 03/14/2021   03:12:54   (  -0.08,-128.37) (  -0.09,-128.41)    4.54                80
 03/15/2021   02:58:31   (  -0.07,-128.38) (   0.57,-125.54)  323.47                80
 03/17/2021   15:21:58   (   0.08,-128.48) (   0.56,-130.46)  226.29                80
 03/18/2021   15:07:35   (   0.08,-128.48) (  -0.15,-127.60)  100.81                80
 03/19/2021   14:55:52   (   0.07,-128.48) (  -0.80,-124.74)  427.72                80