Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 30.  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)
 12/31/2020   15:06:09   (   0.35,-128.23) (   0.78,-130.16)  219.93                80
 01/01/2021   14:57:06   (   0.35,-128.22) (   0.15,-127.29)  105.99                80
 01/02/2021   14:45:23   (   0.36,-128.21) (  -0.53,-124.44)  431.78                80
 01/04/2021   03:15:21   (  -0.35,-128.22) (  -1.31,-132.23)  459.04                80
 01/05/2021   03:03:38   (  -0.36,-128.21) (  -0.63,-129.38)  133.46                80
 01/06/2021   02:54:36   (  -0.36,-128.20) (   0.05,-126.52)  191.99                80
 01/08/2021   15:12:49   (   0.35,-128.14) (   1.14,-131.45)  378.73                80
 01/09/2021   15:01:07   (   0.36,-128.12) (   0.45,-128.60)   53.81                80
 01/10/2021   14:52:04   (   0.36,-128.10) (  -0.19,-125.73)  271.02                80