Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 2.  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)
 12/02/2021   03:35:29   (   0.23,-128.15) (   1.17,-124.02)  471.56                80
 12/03/2021   16:05:15   (  -0.23,-128.14) (   0.61,-131.79)  416.41                80
 12/04/2021   15:53:29   (  -0.23,-128.11) (  -0.06,-128.91)   91.19                80
 12/05/2021   15:44:21   (  -0.22,-128.08) (  -0.67,-126.03)  233.91                80
 12/08/2021   04:02:31   (   0.21,-127.98) (  -0.50,-130.95)  340.04                80
 12/09/2021   03:50:45   (   0.21,-127.95) (   0.19,-128.08)   15.06                80
 12/10/2021   03:41:37   (   0.21,-127.92) (   0.83,-125.20)  310.06                80
 12/12/2021   15:59:38   (  -0.20,-127.86) (   0.33,-130.09)  254.62                80
 12/13/2021   15:50:32   (  -0.20,-127.83) (  -0.35,-127.22)   70.18                80
 12/14/2021   15:38:45   (  -0.20,-127.80) (  -1.03,-124.35)  394.87                80