Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 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)
 04/12/2021   15:18:23   (   0.12,-128.14) (   0.25,-128.58)   50.51                80
 04/13/2021   15:03:59   (   0.11,-128.11) (  -0.42,-125.71)  273.56                80
 04/16/2021   03:24:52   (  -0.11,-127.94) (  -0.77,-130.64)  309.14                80
 04/17/2021   03:15:49   (  -0.11,-127.91) (  -0.09,-127.78)   14.48                80
 04/18/2021   03:04:05   (  -0.10,-127.88) (   0.59,-124.92)  337.79                80
 04/20/2021   15:24:59   (   0.10,-127.89) (   0.54,-129.86)  225.07                80
 04/21/2021   15:10:34   (   0.10,-127.85) (  -0.07,-126.99)   97.88                80
 04/22/2021   14:58:51   (   0.10,-127.81) (  -0.74,-124.13)  420.66                80
 04/24/2021   03:31:26   (  -0.10,-127.65) (  -1.10,-131.92)  487.09                80
 04/25/2021   03:19:43   (  -0.10,-127.61) (  -0.42,-129.06)  164.44                80