Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 27.  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)
 07/27/2021   22:08:56   (   0.14,-127.70) (  -0.69,-131.32)  413.30                80
 07/28/2021   21:52:52   (   0.12,-127.73) (   0.33,-126.79)  106.96                80
 07/30/2021   10:12:00   (  -0.15,-127.89) (   0.82,-132.07)  476.73                80
 07/31/2021   09:55:56   (  -0.14,-127.92) (  -0.21,-127.54)   43.28                80
 08/02/2021   21:56:28   (   0.15,-127.89) (   0.06,-128.32)   49.46                80
 08/03/2021   21:40:23   (   0.14,-127.91) (   1.08,-123.79)  469.91                80
 08/05/2021   09:59:31   (  -0.17,-128.06) (   0.06,-129.07)  115.24                80
 08/06/2021   09:43:27   (  -0.16,-128.08) (  -0.96,-124.54)  403.79                80
 08/07/2021   22:02:43   (   0.18,-128.00) (  -0.21,-129.85)  209.80                80
 08/08/2021   21:46:38   (   0.17,-128.02) (   0.76,-125.31)  308.97                80