Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 6.  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)
 01/06/2021   02:54:36   (  -0.36,-128.21) (   0.06,-126.52)  193.58                80
 01/08/2021   15:12:50   (   0.35,-128.16) (   1.14,-131.45)  376.86                80
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.44,-128.60)   51.65                80
 01/10/2021   14:52:04   (   0.36,-128.13) (  -0.19,-125.73)  273.48                80
 01/13/2021   03:10:21   (  -0.35,-128.10) (  -0.94,-130.69)  294.55                80
 01/14/2021   03:01:17   (  -0.36,-128.08) (  -0.32,-127.82)   30.35                80
 01/15/2021   02:49:35   (  -0.37,-128.07) (   0.36,-124.96)  355.25                80
 01/17/2021   15:07:46   (   0.36,-128.00) (   0.82,-129.88)  215.65                80
 01/18/2021   14:58:44   (   0.36,-127.98) (   0.12,-127.03)  109.19                80
 01/19/2021   14:47:01   (   0.37,-127.96) (  -0.52,-124.16)  433.92                80