Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 8.  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)
 03/08/2021   15:27:03   (   0.07,-128.39) (   0.89,-132.03)  415.42                80
 03/09/2021   15:15:19   (   0.06,-128.40) (   0.25,-129.16)   87.73                80
 03/10/2021   15:00:56   (   0.06,-128.41) (  -0.40,-126.30)  239.91                80
 03/13/2021   03:24:38   (  -0.08,-128.36) (  -0.77,-131.27)  332.70                80
 03/14/2021   03:12:54   (  -0.08,-128.37) (  -0.11,-128.40)    5.42                80
 03/15/2021   02:58:32   (  -0.07,-128.38) (   0.61,-125.55)  323.12                80
 03/17/2021   15:21:59   (   0.09,-128.47) (   0.52,-130.47)  226.88                80
 03/18/2021   15:07:35   (   0.08,-128.48) (  -0.13,-127.60)  100.16                80
 03/19/2021   14:55:52   (   0.07,-128.48) (  -0.78,-124.73)  427.05                80
 03/21/2021   03:31:15   (  -0.09,-128.40) (  -1.05,-132.56)  474.91                80