Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 8 8.  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)
 08/08/2021   21:46:38   (   0.18,-128.01) (   0.77,-125.31)  308.00                80
 08/10/2021   10:05:46   (  -0.20,-128.14) (   0.37,-130.59)  279.72                80
 08/11/2021   09:49:42   (  -0.19,-128.16) (  -0.66,-126.06)  238.87                80
 08/12/2021   22:08:58   (   0.21,-128.09) (  -0.52,-131.37)  373.72                80
 08/13/2021   21:52:54   (   0.20,-128.10) (   0.51,-126.84)  144.38                80
 08/15/2021   10:12:02   (  -0.22,-128.21) (   0.63,-132.12)  444.72                80
 08/16/2021   09:55:57   (  -0.21,-128.22) (  -0.34,-127.58)   72.99                80
 08/18/2021   21:56:28   (   0.23,-128.15) (   0.19,-128.36)   23.75                80
 08/19/2021   21:40:24   (   0.22,-128.15) (   1.22,-123.83)  493.25                80
 08/21/2021   09:59:32   (  -0.24,-128.25) (  -0.08,-129.11)   97.23                80