Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 19.  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)
 03/19/2021   14:55:51   (   0.08,-128.45) (  -0.76,-124.73)  424.49                80
 03/21/2021   03:31:15   (  -0.10,-128.36) (  -1.07,-132.55)  478.20                80
 03/22/2021   03:19:31   (  -0.10,-128.36) (  -0.41,-129.69)  151.86                80
 03/23/2021   03:05:08   (  -0.09,-128.36) (   0.26,-126.83)  174.38                80
 03/25/2021   15:28:36   (   0.11,-128.42) (   0.86,-131.75)  379.86                80
 03/26/2021   15:16:53   (   0.10,-128.41) (   0.21,-128.88)   54.18                80
 03/27/2021   15:02:30   (   0.10,-128.40) (  -0.44,-126.02)  271.37                80
 03/30/2021   03:26:07   (  -0.11,-128.28) (  -0.71,-130.97)  306.99                80
 03/31/2021   03:11:44   (  -0.10,-128.27) (  -0.04,-128.11)   18.49                80
 04/01/2021   03:00:00   (  -0.10,-128.25) (   0.63,-125.25)  343.41                80