Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 15.  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)
 03/15/2021   02:59:42   (  -0.08,-128.36) (   0.59,-125.55)  322.10                 9
 03/17/2021   15:21:58   (   0.09,-128.45) (   0.54,-130.46)  228.88                80
 03/18/2021   15:07:35   (   0.08,-128.45) (  -0.10,-127.59)   97.81                80
 03/19/2021   14:55:52   (   0.08,-128.45) (  -0.81,-124.74)  424.35                80
 03/21/2021   03:31:14   (  -0.10,-128.37) (  -1.08,-132.55)  478.05                80
 03/22/2021   03:19:31   (  -0.09,-128.36) (  -0.41,-129.69)  151.64                80
 03/23/2021   03:05:08   (  -0.09,-128.36) (   0.26,-126.83)  174.68                80
 03/25/2021   15:28:36   (   0.10,-128.42) (   0.86,-131.75)  379.55                80
 03/26/2021   15:16:53   (   0.10,-128.41) (   0.21,-128.89)   53.82                80
 03/27/2021   15:02:29   (   0.09,-128.40) (  -0.44,-126.02)  271.79                80