Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 12 28.  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)
 12/29/2019   02:06:41   (   0.12,-128.23) (  -0.20,-129.55)  151.15                80
 12/30/2019   01:52:23   (   0.12,-128.25) (   0.50,-126.71)  176.03                80
 01/01/2020   14:13:22   (  -0.11,-128.29) (   0.69,-131.67)  386.65                80
 01/02/2020   14:01:43   (  -0.11,-128.31) (   0.03,-128.82)   59.47                80
 01/03/2020   13:52:43   (  -0.11,-128.33) (  -0.64,-125.98)  267.67                80
 01/06/2020   02:13:52   (   0.11,-128.37) (  -0.49,-130.98)  297.74                80
 01/07/2020   01:59:33   (   0.10,-128.39) (   0.16,-128.13)   28.55                80
 01/08/2020   01:47:53   (   0.10,-128.39) (   0.81,-125.29)  354.68                80
 01/10/2020   14:08:51   (  -0.09,-128.40) (   0.36,-130.24)  210.64                80
 01/11/2020   13:59:52   (  -0.08,-128.40) (  -0.30,-127.39)  115.14                80