Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 29.  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)
 04/30/2021   15:08:06   (   0.08,-127.68) (  -0.46,-125.41)  259.79                80
 05/03/2021   03:28:58   (  -0.08,-127.67) (  -0.67,-130.34)  303.88                80
 05/04/2021   03:14:33   (  -0.08,-127.71) (  -0.05,-127.47)   27.61                80
 05/05/2021   03:02:50   (  -0.08,-127.75) (   0.64,-124.61)  358.89                80
 05/07/2021   15:23:43   (   0.08,-127.96) (   0.48,-129.55)  182.75                80
 05/08/2021   15:14:40   (   0.08,-128.00) (  -0.22,-126.70)  148.77                80
 05/09/2021   15:02:56   (   0.08,-128.04) (  -0.91,-123.84)  480.16                80
 05/11/2021   03:35:32   (  -0.07,-128.00) (  -0.94,-131.63)  415.21                80
 05/12/2021   03:23:48   (  -0.07,-128.03) (  -0.25,-128.77)   84.44                80
 05/13/2021   03:09:25   (  -0.07,-128.06) (   0.43,-125.91)  246.14                80