Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 26.  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)
 12/27/2021   06:27:52   (   0.09,-128.03) (   0.86,-124.26)  428.45                80
 12/27/2021   18:51:48   (  -0.08,-128.06) (   0.19,-129.43)  155.24                80
 12/29/2021   18:36:56   (  -0.08,-128.11) (  -0.46,-126.47)  186.71                80
 12/30/2021   07:00:59   (   0.07,-128.11) (  -0.70,-131.65)  402.60                80
 01/01/2022   06:48:47   (   0.07,-128.15) (  -0.04,-128.70)   61.79                80
 01/03/2022   06:33:54   (   0.07,-128.18) (   0.57,-125.73)  278.48                80
 01/03/2022   18:57:49   (  -0.06,-128.20) (   0.48,-130.90)  306.06                80
 01/05/2022   18:42:57   (  -0.06,-128.23) (  -0.13,-127.93)   34.20                80
 01/07/2022   18:30:44   (  -0.05,-128.26) (  -0.75,-124.97)  374.56                80
 01/08/2022   06:54:47   (   0.04,-128.27) (  -0.33,-130.16)  214.85                80