Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 15.  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)
 12/17/2021   03:56:52   (   0.19,-127.66) (  -0.20,-129.25)  182.13                80
 12/18/2021   03:47:45   (   0.18,-127.62) (   0.50,-126.38)  141.85                80
 12/19/2021   03:35:58   (   0.18,-127.57) (   1.14,-123.50)  465.59                80
 12/20/2021   16:08:27   (  -0.17,-127.54) (   0.71,-131.27)  425.96                80
 12/21/2021   15:54:01   (  -0.17,-127.49) (   0.03,-128.40)  102.66                80
 12/22/2021   15:44:53   (  -0.16,-127.45) (  -0.60,-125.51)  220.59                80
 12/25/2021   04:05:38   (   0.15,-127.29) (  -0.59,-130.41)  357.12                80
 12/26/2021   03:51:12   (   0.15,-127.24) (   0.11,-127.54)   34.20                80
 12/27/2021   03:42:04   (   0.15,-127.19) (   0.75,-124.66)  288.87                80