Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 25.  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)
 07/25/2021   10:05:45   (  -0.12,-127.72) (   0.48,-130.55)  321.88                80
 07/26/2021   09:49:40   (  -0.11,-127.76) (  -0.48,-126.01)  198.50                80
 07/27/2021   22:08:56   (   0.13,-127.70) (  -0.70,-131.32)  413.24                80
 07/28/2021   21:52:52   (   0.12,-127.73) (   0.32,-126.79)  107.15                80
 07/30/2021   10:12:01   (  -0.14,-127.90) (   0.77,-132.08)  476.04                80
 07/31/2021   09:55:56   (  -0.13,-127.93) (  -0.20,-127.54)   44.15                80
 08/02/2021   21:56:27   (   0.15,-127.89) (   0.04,-128.32)   48.76                80
 08/03/2021   21:40:23   (   0.14,-127.92) (   1.07,-123.79)  470.73                80
 08/05/2021   09:59:31   (  -0.16,-128.07) (   0.08,-129.07)  113.95                80
 08/06/2021   09:43:27   (  -0.16,-128.10) (  -0.94,-124.54)  405.21                80
 08/07/2021   22:02:43   (   0.18,-128.02) (  -0.23,-129.85)  208.56                80