Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 14.  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)
 12/14/2020   15:07:07   (   0.30,-128.17) (   0.80,-130.41)  254.78                80
 12/15/2020   14:52:44   (   0.30,-128.18) (   0.13,-127.55)   73.09                80
 12/16/2020   14:41:02   (   0.31,-128.20) (  -0.54,-124.69)  400.84                80
 12/18/2020   03:13:39   (  -0.32,-128.25) (  -1.27,-132.49)  483.89                80
 12/19/2020   03:01:56   (  -0.32,-128.26) (  -0.66,-129.62)  156.11                80
 12/20/2020   02:52:53   (  -0.32,-128.27) (   0.02,-126.77)  171.69                80
 12/21/2020   02:38:31   (  -0.32,-128.28) (   0.70,-123.91)  499.43                80
 12/22/2020   15:13:50   (   0.33,-128.26) (   1.12,-131.72)  395.04                80
 12/23/2020   15:02:08   (   0.33,-128.26) (   0.44,-128.86)   67.57                80
 12/24/2020   14:47:44   (   0.33,-128.27) (  -0.18,-125.99)  259.96                80
 12/27/2020   03:08:39   (  -0.33,-128.32) (  -0.93,-130.94)  298.78                80