Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 6 25.  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) (   0.56,-131.47)  355.45                80
 06/27/2021   15:27:32   (  -0.14,-128.33) (  -0.05,-128.59)   30.03                80
 06/28/2021   15:18:28   (  -0.14,-128.31) (  -0.73,-125.72)  295.53                80
 07/01/2021   03:39:27   (   0.15,-128.21) (  -0.43,-130.69)  283.53                80
 07/02/2021   03:25:03   (   0.15,-128.19) (   0.25,-127.83)   41.71                80
 07/03/2021   03:13:17   (   0.15,-128.17) (   0.87,-124.95)  366.82                80
 07/05/2021   15:33:58   (  -0.15,-128.17) (   0.25,-129.84)  191.39                80
 07/06/2021   15:24:54   (  -0.16,-128.14) (  -0.43,-126.98)  133.47                80
 07/07/2021   15:13:09   (  -0.16,-128.12) (  -1.12,-124.11)  458.17                80