Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 10 23.  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)
 10/23/2020   18:36:56   (   0.17,-128.25) (  -0.20,-126.43)  206.86                80
 10/24/2020   06:58:21   (  -0.17,-128.28) (  -0.86,-131.63)  380.74                80
 10/26/2020   06:46:09   (  -0.18,-128.24) (  -0.26,-128.67)   48.52                80
 10/28/2020   06:36:37   (  -0.18,-128.20) (   0.34,-125.70)  283.57                80
 10/28/2020   18:57:53   (   0.18,-128.15) (   0.73,-130.86)  307.42                80
 10/30/2020   18:43:01   (   0.18,-128.11) (   0.13,-127.90)   24.26                80
 11/01/2020   18:30:49   (   0.18,-128.06) (  -0.48,-124.94)  355.39                80
 11/02/2020   06:52:13   (  -0.18,-128.08) (  -0.64,-130.12)  232.85                80
 11/04/2020   06:42:41   (  -0.19,-128.02) (  -0.03,-127.16)   97.52                80
 11/04/2020   19:01:17   (   0.19,-127.98) (   1.09,-132.32)  493.82                80