Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 28.  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)
 12/29/2020   06:46:07   (  -0.14,-128.25) (  -0.24,-128.67)   47.60                80
 12/31/2020   06:36:35   (  -0.14,-128.24) (   0.39,-125.71)  287.52                80
 12/31/2020   18:55:11   (   0.12,-128.24) (   0.67,-130.88)  299.24                80
 01/02/2021   18:45:39   (   0.12,-128.22) (   0.04,-127.92)   35.34                80
 01/04/2021   18:33:26   (   0.14,-128.20) (  -0.53,-124.95)  369.55                80
 01/05/2021   06:52:11   (  -0.10,-128.19) (  -0.51,-130.15)  223.00                80
 01/07/2021   06:42:38   (  -0.11,-128.16) (   0.07,-127.18)  110.65                80
 01/07/2021   19:01:14   (   0.08,-128.16) (   0.99,-132.35)  476.15                80
 01/09/2021   06:30:26   (  -0.11,-128.13) (   0.71,-124.23)  443.62                80
 01/09/2021   18:49:02   (   0.08,-128.13) (   0.35,-129.39)  143.40                80