Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 9.  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)
 04/09/2021   03:09:14   (  -0.12,-128.12) (   0.23,-126.51)  184.13                80
 04/11/2021   15:30:07   (   0.12,-128.17) (   0.87,-131.45)  374.47                80
 04/12/2021   15:18:23   (   0.12,-128.14) (   0.21,-128.59)   50.24                80
 04/13/2021   15:04:00   (   0.11,-128.12) (  -0.46,-125.72)  273.85                80
 04/16/2021   03:24:53   (  -0.11,-127.95) (  -0.73,-130.65)  308.62                80
 04/17/2021   03:15:49   (  -0.11,-127.92) (  -0.05,-127.79)   15.37                80
 04/18/2021   03:04:05   (  -0.10,-127.89) (   0.57,-124.92)  338.55                80
 04/20/2021   15:24:59   (   0.10,-127.90) (   0.55,-129.86)  223.84                80
 04/21/2021   15:10:35   (   0.10,-127.86) (  -0.12,-127.00)   99.19                80
 04/22/2021   14:58:51   (   0.10,-127.83) (  -0.74,-124.12)  422.12                80