Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2021   06:55:03   (   0.24,-128.36) (  -0.13,-130.23)  212.19                80
 11/23/2021   06:40:12   (   0.24,-128.33) (   0.49,-127.27)  120.31                80
 11/23/2021   19:04:06   (  -0.22,-128.34) (   0.64,-132.42)  464.31                80
 11/25/2021   06:28:00   (   0.23,-128.29) (   1.05,-124.31)  452.29                80
 11/25/2021   18:51:56   (  -0.22,-128.30) (   0.02,-129.47)  132.38                80
 11/27/2021   18:37:05   (  -0.22,-128.26) (  -0.61,-126.51)  199.22                80
 11/28/2021   07:01:08   (   0.20,-128.23) (  -0.52,-131.70)  394.37                80
 11/30/2021   06:48:56   (   0.20,-128.18) (   0.05,-128.73)   63.40                80
 12/02/2021   06:34:06   (   0.20,-128.13) (   0.69,-125.78)  267.00                80
 12/02/2021   18:58:01   (  -0.19,-128.14) (   0.38,-130.94)  318.44                80
 12/04/2021   18:45:49   (  -0.19,-128.07) (  -0.19,-127.97)   10.99                80