Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 14.  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)
 12/15/2020   06:36:39   (  -0.19,-128.21) (   0.35,-125.71)  284.21                80
 12/15/2020   18:55:13   (   0.17,-128.20) (   0.77,-130.86)  303.61                80
 12/17/2020   18:45:42   (   0.18,-128.22) (   0.11,-127.91)   35.10                80
 12/19/2020   18:33:31   (   0.19,-128.24) (  -0.50,-124.95)  373.80                80
 12/20/2020   06:52:15   (  -0.17,-128.26) (  -0.55,-130.15)  215.13                80
 12/22/2020   06:42:43   (  -0.17,-128.28) (   0.06,-127.19)  123.46                80
 12/22/2020   19:01:19   (   0.15,-128.27) (   1.00,-132.36)  463.92                80
 12/24/2020   06:30:31   (  -0.18,-128.29) (   0.68,-124.23)  461.78                80
 12/24/2020   18:49:07   (   0.16,-128.29) (   0.39,-129.40)  125.84                80
 12/26/2020   18:39:35   (   0.16,-128.30) (  -0.23,-126.44)  211.64                80
 12/27/2020   06:58:20   (  -0.13,-128.31) (  -0.81,-131.64)  378.34                80