Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 21.  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)
 12/22/2021   18:30:53   (  -0.11,-127.91) (  -0.76,-125.00)  331.56                80
 12/23/2021   06:54:56   (   0.09,-127.92) (  -0.40,-130.18)  257.23                80
 12/25/2021   06:40:04   (   0.09,-127.98) (   0.23,-127.22)   85.50                80
 12/25/2021   19:04:00   (  -0.08,-127.99) (   0.83,-132.38)  498.55                80
 12/27/2021   06:27:52   (   0.09,-128.03) (   0.87,-124.26)  427.83                80
 12/27/2021   18:51:47   (  -0.08,-128.05) (   0.24,-129.41)  156.33                80
 12/29/2021   18:36:55   (  -0.08,-128.09) (  -0.41,-126.46)  185.26                80
 12/30/2021   07:00:59   (   0.07,-128.10) (  -0.69,-131.65)  403.71                80
 01/01/2022   06:48:47   (   0.07,-128.14) (  -0.03,-128.70)   63.31                80
 01/03/2022   06:33:54   (   0.07,-128.17) (   0.58,-125.73)  276.59                80
 01/03/2022   18:57:49   (  -0.06,-128.18) (   0.54,-130.88)  308.50                80