Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 7.  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)
 01/07/2021   06:42:39   (  -0.11,-128.18) (   0.12,-127.19)  112.44                80
 01/07/2021   19:01:15   (   0.07,-128.19) (   0.94,-132.36)  473.17                80
 01/09/2021   06:30:26   (  -0.11,-128.15) (   0.70,-124.22)  446.25                80
 01/09/2021   18:49:02   (   0.08,-128.16) (   0.36,-129.39)  139.67                80
 01/11/2021   18:39:30   (   0.08,-128.13) (  -0.28,-126.43)  193.24                80
 01/12/2021   06:58:14   (  -0.05,-128.10) (  -0.82,-131.62)  401.18                80
 01/14/2021   06:46:02   (  -0.06,-128.06) (  -0.17,-128.67)   68.40                80
 01/16/2021   06:36:29   (  -0.07,-128.03) (   0.42,-125.70)  264.35                80
 01/16/2021   18:55:04   (   0.03,-128.04) (   0.64,-130.86)  321.12                80
 01/18/2021   18:42:52   (   0.04,-128.00) (   0.04,-127.90)   11.78                80
 01/20/2021   18:33:20   (   0.05,-127.96) (  -0.61,-124.94)  343.73                80