Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 22.  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) (  -0.75,-125.00)  331.65                80
 12/23/2021   06:54:56   (   0.09,-127.92) (  -0.41,-130.17)  257.25                80
 12/25/2021   06:40:05   (   0.09,-127.98) (   0.28,-127.23)   85.55                80
 12/25/2021   19:04:00   (  -0.08,-128.00) (   0.84,-132.38)  498.39                80
 12/27/2021   06:27:53   (   0.09,-128.03) (   0.92,-124.27)  427.90                80
 12/27/2021   18:51:48   (  -0.08,-128.05) (   0.20,-129.43)  156.11                80
 12/29/2021   18:36:56   (  -0.08,-128.10) (  -0.45,-126.47)  185.48                80
 12/30/2021   07:00:59   (   0.07,-128.10) (  -0.70,-131.65)  403.62                80
 01/01/2022   06:48:47   (   0.07,-128.14) (  -0.04,-128.69)   63.15                80
 01/03/2022   06:33:54   (   0.07,-128.17) (   0.56,-125.73)  276.76                80
 01/03/2022   18:57:50   (  -0.06,-128.18) (   0.50,-130.89)  308.21                80