Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 5.  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)
 01/05/2021   03:06:29   (  -0.36,-128.22) (   0.00,-129.52)  150.34                80
 01/06/2021   02:54:35   (  -0.36,-128.21) (   0.04,-126.52)  193.45                80
 01/08/2021   15:12:50   (   0.35,-128.16) (   1.10,-131.46)  376.90                80
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.47,-128.59)   51.71                80
 01/10/2021   14:52:03   (   0.36,-128.13) (  -0.17,-125.73)  273.37                80
 01/13/2021   03:10:20   (  -0.35,-128.10) (  -0.96,-130.68)  294.94                80
 01/14/2021   03:01:18   (  -0.36,-128.08) (  -0.28,-127.82)   29.96                80
 01/15/2021   02:49:34   (  -0.37,-128.06) (   0.34,-124.95)  354.75                80
 01/17/2021   15:07:47   (   0.36,-128.00) (   0.79,-129.89)  216.10                80
 01/18/2021   14:58:44   (   0.36,-127.98) (   0.15,-127.02)  108.65                80