Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 8 20.  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)
 08/21/2021   09:59:32   (  -0.25,-128.29) (  -0.08,-129.10)   92.47                80
 08/22/2021   09:43:27   (  -0.24,-128.30) (  -1.05,-124.56)  425.09                80
 08/23/2021   22:02:43   (   0.26,-128.22) (  -0.13,-129.87)  188.36                80
 08/24/2021   21:46:38   (   0.25,-128.23) (   0.90,-125.34)  329.04                80
 08/26/2021   10:05:47   (  -0.27,-128.33) (   0.23,-130.62)  260.97                80
 08/27/2021   09:49:41   (  -0.26,-128.34) (  -0.74,-126.08)  256.40                80
 08/28/2021   22:08:58   (   0.28,-128.26) (  -0.44,-131.39)  357.27                80
 08/29/2021   21:52:53   (   0.27,-128.26) (   0.60,-126.86)  159.44                80
 08/31/2021   10:12:01   (  -0.29,-128.34) (   0.54,-132.14)  432.21                80
 09/01/2021   09:55:56   (  -0.29,-128.34) (  -0.43,-127.60)   84.31                80