Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 26.  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)
 06/26/2021   15:39:17   (  -0.13,-128.35) (   0.59,-131.46)  355.49                80
 06/27/2021   15:27:32   (  -0.14,-128.33) (  -0.08,-128.60)   30.07                80
 06/28/2021   15:18:28   (  -0.14,-128.31) (  -0.76,-125.73)  295.36                80
 07/01/2021   03:39:28   (   0.15,-128.20) (  -0.40,-130.70)  283.92                80
 07/02/2021   03:25:02   (   0.15,-128.18) (   0.22,-127.82)   41.27                80
 07/03/2021   03:13:18   (   0.15,-128.16) (   0.90,-124.95)  366.34                80
 07/05/2021   15:33:59   (  -0.15,-128.16) (   0.22,-129.85)  191.95                80
 07/06/2021   15:24:53   (  -0.16,-128.14) (  -0.40,-126.97)  132.88                80
 07/07/2021   15:13:09   (  -0.16,-128.11) (  -1.08,-124.11)  457.49                80
 07/09/2021   03:45:53   (   0.16,-128.02) (  -0.73,-131.94)  447.18                80