Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 7.  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)
 12/08/2021   04:02:32   (   0.21,-127.98) (  -0.49,-130.95)  339.78                80
 12/09/2021   03:50:45   (   0.21,-127.95) (   0.20,-128.08)   14.98                80
 12/10/2021   03:41:38   (   0.21,-127.92) (   0.84,-125.20)  310.31                80
 12/12/2021   16:02:18   (  -0.20,-127.86) (   0.32,-130.09)  254.61                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)  394.85                80
 12/17/2021   03:56:52   (   0.19,-127.69) (  -0.16,-129.26)  178.91                80
 12/18/2021   03:47:45   (   0.19,-127.65) (   0.47,-126.37)  145.44                80
 12/19/2021   03:35:57   (   0.18,-127.61) (   1.11,-123.49)  469.64                80
 12/20/2021   16:08:28   (  -0.17,-127.57) (   0.68,-131.27)  422.54                80