Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 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)
 09/19/2021   15:44:20   (  -0.10,-127.91) (   0.27,-129.47)  177.83                80
 09/20/2021   15:35:15   (  -0.10,-127.88) (  -0.42,-126.60)  147.18                80
 09/21/2021   15:23:28   (  -0.08,-127.85) (  -1.05,-123.72)  472.26                80
 09/23/2021   03:53:23   (   0.14,-127.83) (  -0.70,-131.53)  421.88                80
 09/24/2021   03:41:37   (   0.13,-127.80) (  -0.09,-128.64)   97.27                80
 09/25/2021   03:32:31   (   0.12,-127.76) (   0.59,-125.77)  227.18                80
 09/27/2021   15:50:37   (  -0.16,-127.65) (   0.57,-130.68)  347.15                80
 09/28/2021   15:38:52   (  -0.15,-127.61) (  -0.13,-127.82)   23.15                80
 09/29/2021   15:29:45   (  -0.14,-127.57) (  -0.76,-124.94)  300.99                80
 10/02/2021   03:47:56   (   0.18,-127.49) (  -0.35,-129.87)  271.36                80