Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 8 19.  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)
 08/19/2021   21:40:23   (   0.23,-128.18) (   1.19,-123.82)  497.18                80
 08/21/2021   09:59:32   (  -0.25,-128.29) (  -0.05,-129.10)   92.35                80
 08/22/2021   09:43:27   (  -0.24,-128.30) (  -1.08,-124.57)  425.22                80
 08/23/2021   22:02:43   (   0.26,-128.22) (  -0.10,-129.88)  188.27                80
 08/24/2021   21:46:38   (   0.25,-128.23) (   0.88,-125.34)  329.17                80
 08/26/2021   10:05:46   (  -0.27,-128.33) (   0.26,-130.62)  260.73                80
 08/27/2021   09:49:42   (  -0.26,-128.34) (  -0.77,-126.09)  256.66                80
 08/28/2021   22:08:58   (   0.28,-128.26) (  -0.40,-131.40)  357.03                80
 08/29/2021   21:52:53   (   0.27,-128.26) (   0.57,-126.86)  159.71                80
 08/31/2021   10:12:01   (  -0.29,-128.35) (   0.56,-132.14)  431.82                80
 09/01/2021   09:55:56   (  -0.29,-128.35) (  -0.47,-127.61)   84.73                80