Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 7.  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)
 01/08/2021   15:12:50   (   0.35,-128.16) (   1.11,-131.46)  376.88                80
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.48,-128.59)   51.67                80
 01/10/2021   14:52:04   (   0.36,-128.13) (  -0.21,-125.74)  273.52                80
 01/13/2021   03:10:20   (  -0.35,-128.10) (  -0.97,-130.68)  294.29                80
 01/14/2021   03:01:17   (  -0.36,-128.09) (  -0.29,-127.82)   30.63                80
 01/15/2021   02:49:34   (  -0.37,-128.07) (   0.33,-124.95)  355.58                80
 01/17/2021   15:07:47   (   0.36,-128.00) (   0.79,-129.89)  215.35                80
 01/18/2021   14:58:43   (   0.36,-127.98) (   0.15,-127.02)  109.49                80
 01/19/2021   14:47:00   (   0.37,-127.96) (  -0.50,-124.16)  434.28                80