Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 12.  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)
 03/13/2021   03:24:38   (  -0.09,-128.35) (  -0.74,-131.27)  333.18                80
 03/14/2021   03:10:15   (  -0.08,-128.36) (  -0.08,-128.41)    5.52                80
 03/15/2021   02:58:31   (  -0.07,-128.37) (   0.58,-125.54)  322.19                80
 03/17/2021   15:21:58   (   0.09,-128.46) (   0.55,-130.46)  228.51                80
 03/18/2021   15:07:34   (   0.08,-128.46) (  -0.09,-127.59)   98.32                80
 03/19/2021   14:55:52   (   0.08,-128.46) (  -0.80,-124.74)  424.93                80
 03/21/2021   03:31:14   (  -0.09,-128.38) (  -1.09,-132.55)  477.26                80
 03/22/2021   03:19:31   (  -0.09,-128.37) (  -0.42,-129.69)  150.76                80
 03/23/2021   03:05:08   (  -0.08,-128.37) (   0.30,-126.84)  175.72                80
 03/25/2021   15:28:36   (   0.10,-128.44) (   0.88,-131.75)  378.26                80