Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2021   22:02:41   (   0.11,-127.52) (  -0.41,-129.79)  259.29                80
 07/23/2021   21:46:36   (   0.10,-127.56) (   0.62,-125.27)  261.13                80
 07/25/2021   10:05:45   (  -0.12,-127.73) (   0.53,-130.54)  321.62                80
 07/26/2021   09:49:40   (  -0.11,-127.76) (  -0.49,-126.02)  198.82                80
 07/27/2021   22:08:56   (   0.13,-127.70) (  -0.69,-131.32)  413.01                80
 07/28/2021   21:52:52   (   0.12,-127.74) (   0.33,-126.79)  107.43                80
 07/30/2021   10:12:00   (  -0.14,-127.91) (   0.82,-132.07)  475.40                80
 07/31/2021   09:55:56   (  -0.13,-127.94) (  -0.21,-127.54)   44.81                80
 08/02/2021   21:56:28   (   0.15,-127.90) (   0.05,-128.32)   48.04                80
 08/03/2021   21:40:23   (   0.14,-127.93) (   1.08,-123.79)  471.52                80
 08/05/2021   09:59:31   (  -0.16,-128.08) (   0.07,-129.07)  112.80                80