Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 27.  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)
 04/27/2021   02:58:55   (  -0.10,-127.54) (   0.88,-123.31)  482.55                80
 04/28/2021   15:28:53   (   0.09,-127.59) (   0.89,-131.13)  403.58                80
 04/29/2021   15:17:08   (   0.09,-127.55) (   0.27,-128.26)   81.36                80
 04/30/2021   15:08:05   (   0.09,-127.50) (  -0.42,-125.40)  240.74                80
 05/03/2021   03:26:16   (  -0.08,-127.27) (  -0.78,-130.32)  347.54                80
 05/04/2021   03:14:31   (  -0.08,-127.22) (  -0.15,-127.44)   25.66                80
 05/05/2021   03:05:28   (  -0.08,-127.18) (   0.53,-124.58)  296.45                80
 05/07/2021   15:23:41   (   0.08,-127.17) (   0.64,-129.52)  268.23                80
 05/08/2021   15:14:37   (   0.08,-127.12) (  -0.06,-126.66)   53.85                80
 05/09/2021   15:02:53   (   0.08,-127.08) (  -0.69,-123.79)  375.69                80