Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 9.  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)
 01/09/2021   15:01:07   (   0.36,-128.14) (   0.44,-128.60)   51.89                80
 01/10/2021   14:52:04   (   0.36,-128.13) (  -0.20,-125.73)  273.32                80
 01/13/2021   03:10:21   (  -0.36,-128.11) (  -0.93,-130.69)  294.20                80
 01/14/2021   03:01:17   (  -0.36,-128.09) (  -0.31,-127.82)   30.71                80
 01/15/2021   02:49:35   (  -0.37,-128.07) (   0.37,-124.96)  355.68                80
 01/17/2021   15:07:47   (   0.36,-128.00) (   0.81,-129.89)  215.56                80
 01/18/2021   14:58:43   (   0.37,-127.98) (   0.17,-127.02)  109.32                80
 01/19/2021   14:47:01   (   0.37,-127.96) (  -0.53,-124.16)  434.06                80
 01/21/2021   03:17:02   (  -0.34,-127.95) (  -1.28,-131.98)  460.92                80
 01/22/2021   03:05:19   (  -0.35,-127.93) (  -0.66,-129.11)  136.46                80