Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 6.  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   06:42:38   (  -0.11,-128.18) (   0.07,-127.18)  112.47                80
 01/07/2021   19:01:14   (   0.07,-128.19) (   0.98,-132.35)  473.20                80
 01/09/2021   06:30:26   (  -0.11,-128.15) (   0.71,-124.23)  446.18                80
 01/09/2021   18:49:02   (   0.08,-128.16) (   0.34,-129.39)  139.72                80
 01/11/2021   18:39:30   (   0.08,-128.13) (  -0.30,-126.44)  193.15                80
 01/12/2021   06:58:14   (  -0.05,-128.10) (  -0.80,-131.63)  401.28                80
 01/14/2021   06:46:01   (  -0.06,-128.06) (  -0.21,-128.66)   68.54                80
 01/16/2021   06:36:29   (  -0.07,-128.02) (   0.45,-125.70)  264.19                80
 01/16/2021   18:55:05   (   0.03,-128.04) (   0.61,-130.87)  321.35                80
 01/18/2021   18:45:32   (   0.04,-128.00) (   0.02,-127.90)   11.18                80