Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 30.  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)
 07/30/2021   10:12:01   (  -0.15,-127.89) (   0.78,-132.08)  477.31                80
 07/31/2021   09:55:56   (  -0.14,-127.92) (  -0.25,-127.55)   42.62                80
 08/02/2021   21:56:27   (   0.15,-127.88) (   0.03,-128.31)   50.06                80
 08/03/2021   21:40:23   (   0.14,-127.90) (   1.06,-123.79)  469.20                80
 08/05/2021   09:59:31   (  -0.17,-128.05) (   0.09,-129.06)  116.80                80
 08/06/2021   09:43:27   (  -0.16,-128.07) (  -0.94,-124.54)  402.12                80
 08/07/2021   22:02:43   (   0.18,-127.99) (  -0.24,-129.84)  211.11                80
 08/08/2021   21:46:38   (   0.17,-128.01) (   0.79,-125.31)  307.49                80
 08/10/2021   10:05:47   (  -0.20,-128.14) (   0.36,-130.59)  279.41                80
 08/11/2021   09:49:42   (  -0.19,-128.16) (  -0.67,-126.07)  239.12                80
 08/12/2021   22:08:58   (   0.21,-128.08) (  -0.51,-131.37)  374.49                80