Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 1 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)
 01/18/2020   14:15:59   (  -0.07,-128.42) (   0.66,-131.66)  368.56                80
 01/19/2020   14:04:19   (  -0.07,-128.42) (   0.05,-128.80)   43.51                80
 01/20/2020   13:55:19   (  -0.06,-128.42) (  -0.62,-125.95)  281.67                80
 01/23/2020   02:16:31   (   0.05,-128.43) (  -0.54,-130.96)  289.62                80
 01/24/2020   02:02:12   (   0.05,-128.42) (   0.12,-128.12)   35.00                80
 01/25/2020   01:50:32   (   0.05,-128.42) (   0.79,-125.27)  359.57                80
 01/27/2020   14:11:26   (  -0.04,-128.38) (   0.39,-130.20)  208.00                80
 01/28/2020   14:02:27   (  -0.04,-128.38) (  -0.28,-127.36)  116.55                80
 01/29/2020   13:50:47   (  -0.03,-128.37) (  -0.96,-124.51)  441.00                80
 01/31/2020   02:23:38   (   0.03,-128.37) (  -0.92,-132.36)  456.07                80