Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 5.  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)
 12/06/2021   18:30:58   (  -0.18,-128.05) (  -0.85,-125.02)  344.43                80
 12/07/2021   06:55:01   (   0.17,-128.01) (  -0.32,-130.20)  249.67                80
 12/09/2021   06:40:10   (   0.16,-127.95) (   0.33,-127.25)   79.92                80
 12/11/2021   06:27:58   (   0.16,-127.89) (   0.93,-124.29)  409.53                80
 12/11/2021   18:51:53   (  -0.14,-127.89) (   0.19,-129.44)  175.84                80
 12/13/2021   18:37:01   (  -0.15,-127.83) (  -0.41,-126.47)  153.64                80
 12/14/2021   07:01:04   (   0.13,-127.79) (  -0.70,-131.66)  440.33                80
 12/15/2021   18:24:50   (  -0.15,-127.76) (  -1.08,-123.53)  482.66                80
 12/16/2021   06:48:53   (   0.13,-127.73) (  -0.09,-128.70)  111.46                80
 12/18/2021   06:34:01   (   0.13,-127.65) (   0.53,-125.74)  216.82                80
 12/18/2021   18:57:55   (  -0.12,-127.65) (   0.60,-130.89)  369.23                80