Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 3.  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)
 01/04/2021   03:15:21   (  -0.35,-128.23) (  -1.31,-132.23)  458.31                80
 01/05/2021   03:03:38   (  -0.36,-128.22) (  -0.63,-129.38)  132.53                80
 01/06/2021   02:54:36   (  -0.36,-128.21) (   0.05,-126.52)  193.09                80
 01/08/2021   15:12:50   (   0.35,-128.15) (   1.09,-131.46)  377.28                80
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.46,-128.60)   52.17                80
 01/10/2021   14:52:04   (   0.36,-128.12) (  -0.17,-125.73)  272.80                80
 01/13/2021   03:10:20   (  -0.35,-128.09) (  -0.95,-130.68)  295.98                80
 01/14/2021   03:01:18   (  -0.36,-128.07) (  -0.28,-127.83)   28.89                80
 01/15/2021   02:49:34   (  -0.37,-128.05) (   0.34,-124.95)  353.50                80