Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 12 18.  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)
 12/20/2019   02:11:09   (   0.15,-127.99) (  -0.52,-130.97)  339.59                80
 12/21/2019   01:59:30   (   0.14,-128.02) (   0.13,-128.12)   11.18                80
 12/22/2019   01:45:10   (   0.14,-128.05) (   0.77,-125.27)  317.13                80
 12/24/2019   14:06:13   (  -0.14,-128.13) (   0.38,-130.25)  242.26                80
 12/25/2019   13:57:14   (  -0.13,-128.16) (  -0.28,-127.40)   85.97                80
 12/26/2019   13:45:34   (  -0.12,-128.19) (  -0.94,-124.56)  414.02                80
 12/28/2019   02:18:21   (   0.12,-128.22) (  -0.84,-132.40)  477.10                80
 12/29/2019   02:06:41   (   0.12,-128.25) (  -0.20,-129.55)  149.47                80
 12/30/2019   01:52:23   (   0.12,-128.27) (   0.51,-126.72)  178.13                80
 01/01/2020   14:13:24   (  -0.11,-128.33) (   0.64,-131.69)  382.61                80