Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 10.  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)
 01/10/2021   14:52:04   (   0.36,-128.12) (  -0.22,-125.74)  273.19                80
 01/13/2021   03:10:20   (  -0.36,-128.11) (  -0.96,-130.68)  294.23                80
 01/14/2021   03:01:18   (  -0.36,-128.09) (  -0.29,-127.82)   30.69                80
 01/15/2021   02:49:34   (  -0.37,-128.07) (   0.33,-124.95)  355.59                80
 01/17/2021   15:07:47   (   0.36,-128.00) (   0.79,-129.89)  215.85                80
 01/18/2021   14:58:44   (   0.37,-127.98) (   0.15,-127.02)  108.96                80
 01/19/2021   14:47:00   (   0.37,-127.96) (  -0.49,-124.16)  433.72                80
 01/21/2021   03:17:02   (  -0.34,-127.95) (  -1.26,-131.99)  461.16                80
 01/22/2021   03:05:19   (  -0.35,-127.92) (  -0.64,-129.12)  136.69                80
 01/23/2021   02:56:16   (  -0.36,-127.90) (   0.04,-126.26)  187.58                80