Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 1.  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)
 07/01/2021   03:39:35   (   0.15,-128.20) (   0.00,-130.79)  288.62                80
 07/02/2021   03:25:02   (   0.15,-128.17) (   0.21,-127.81)   40.49                80
 07/03/2021   03:13:18   (   0.15,-128.15) (   0.89,-124.95)  365.24                80
 07/05/2021   15:33:59   (  -0.16,-128.14) (   0.23,-129.84)  194.02                80
 07/06/2021   15:24:54   (  -0.16,-128.12) (  -0.45,-126.98)  130.50                80
 07/07/2021   15:13:09   (  -0.16,-128.09) (  -1.07,-124.10)  454.80                80
 07/09/2021   03:45:53   (   0.17,-127.99) (  -0.75,-131.93)  450.10                80
 07/10/2021   03:34:08   (   0.17,-127.96) (  -0.11,-129.06)  126.47                80
 07/11/2021   03:19:43   (   0.18,-127.92) (   0.58,-126.20)  197.10                80
 07/13/2021   15:40:24   (  -0.18,-127.87) (   0.56,-131.09)  366.68                80
 07/14/2021   15:28:39   (  -0.19,-127.84) (  -0.12,-128.22)   43.19                80