Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 7 12.  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)
 07/13/2021   18:42:39   (  -0.10,-127.83) (  -0.07,-127.94)   12.84                80
 07/15/2021   18:33:09   (  -0.11,-127.75) (  -0.72,-124.98)  315.42                80
 07/16/2021   06:54:32   (   0.09,-127.77) (  -0.41,-130.17)  272.64                80
 07/18/2021   06:39:40   (   0.09,-127.69) (   0.18,-127.20)   54.85                80
 07/20/2021   06:27:29   (   0.10,-127.60) (   0.84,-124.25)  381.62                80
 07/20/2021   18:48:43   (  -0.08,-127.53) (   0.34,-129.38)  211.24                80
 07/22/2021   18:37:20   (  -0.08,-127.43) (  -0.31,-126.43)  114.81                32
 07/23/2021   07:00:36   (   0.06,-127.46) (  -0.80,-131.62)  472.57                80
 07/24/2021   18:27:00   (  -0.09,-127.34) (  -0.91,-123.46)  440.48                80
 07/25/2021   06:48:24   (   0.07,-127.36) (  -0.20,-128.65)  146.99                80