Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 20.  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)
 10/20/2021   03:39:43   (   0.24,-128.25) (   0.63,-126.62)  186.60                80
 10/22/2021   15:57:43   (  -0.26,-128.31) (   0.46,-131.51)  364.99                80
 10/23/2021   15:45:57   (  -0.25,-128.33) (  -0.19,-128.64)   34.80                80
 10/24/2021   15:36:50   (  -0.24,-128.35) (  -0.84,-125.76)  295.16                80
 10/27/2021   03:55:06   (   0.26,-128.37) (  -0.28,-130.72)  268.36                80
 10/28/2021   03:46:00   (   0.25,-128.38) (   0.37,-127.84)   60.97                80
 10/29/2021   03:34:13   (   0.25,-128.39) (   1.01,-124.96)  390.20                80
 10/30/2021   16:03:57   (  -0.27,-128.41) (   0.75,-132.72)  492.95                80
 10/31/2021   15:52:12   (  -0.27,-128.42) (   0.04,-129.86)  163.87                80
 11/01/2021   15:43:06   (  -0.26,-128.42) (  -0.62,-126.98)  165.14                80
 11/02/2021   15:31:19   (  -0.26,-128.43) (  -1.27,-124.11)  494.01                80