Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 11.  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)
 04/11/2021   15:30:07   (   0.12,-128.16) (   0.88,-131.45)  374.58                80
 04/12/2021   15:18:23   (   0.12,-128.14) (   0.21,-128.58)   50.42                80
 04/13/2021   15:04:00   (   0.11,-128.11) (  -0.45,-125.72)  273.57                80
 04/16/2021   03:24:53   (  -0.11,-127.94) (  -0.73,-130.65)  309.03                80
 04/17/2021   03:15:49   (  -0.11,-127.91) (  -0.05,-127.79)   14.76                80
 04/18/2021   03:04:05   (  -0.10,-127.88) (   0.57,-124.92)  337.97                80
 04/20/2021   15:24:58   (   0.10,-127.89) (   0.56,-129.86)  224.74                80
 04/21/2021   15:10:35   (   0.10,-127.85) (  -0.11,-127.00)   98.20                80
 04/22/2021   14:58:52   (   0.10,-127.82) (  -0.79,-124.14)  421.07                80
 04/24/2021   03:31:26   (  -0.10,-127.66) (  -1.11,-131.91)  486.66                80