Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 23.  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)
 12/23/2020   15:02:07   (   0.33,-128.24) (   0.47,-128.85)   69.70                80
 12/24/2020   14:47:45   (   0.33,-128.25) (  -0.20,-126.00)  257.31                80
 12/27/2020   03:08:38   (  -0.33,-128.28) (  -0.98,-130.93)  303.24                80
 12/28/2020   02:59:36   (  -0.34,-128.28) (  -0.30,-128.07)   23.30                80
 12/29/2020   02:47:53   (  -0.34,-128.28) (   0.38,-125.22)  349.65                80
 12/31/2020   15:06:09   (   0.35,-128.23) (   0.78,-130.16)  220.43                80
 01/01/2021   14:57:06   (   0.35,-128.22) (   0.16,-127.29)  105.46                80
 01/02/2021   14:45:23   (   0.36,-128.21) (  -0.53,-124.44)  431.22                80
 01/04/2021   03:15:21   (  -0.35,-128.22) (  -1.31,-132.23)  458.75                80
 01/05/2021   03:03:38   (  -0.36,-128.21) (  -0.63,-129.38)  133.23                80