Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 7 24.  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)
 07/24/2021   18:24:35   (  -0.08,-127.61) (  -0.96,-123.50)  468.44                72
 07/25/2021   06:48:32   (   0.06,-127.70) (  -0.12,-128.69)  112.38                80
 07/27/2021   06:33:42   (   0.07,-127.77) (   0.53,-125.74)  230.97                80
 07/27/2021   18:57:37   (  -0.05,-127.71) (   0.61,-130.89)  360.72                80
 07/29/2021   18:42:47   (  -0.06,-127.78) (  -0.04,-127.94)   17.16                80
 07/31/2021   18:30:37   (  -0.07,-127.85) (  -0.69,-124.99)  326.14                80
 08/01/2021   06:54:41   (   0.04,-127.95) (  -0.45,-130.17)  253.32                80
 08/03/2021   06:39:51   (   0.05,-128.00) (   0.21,-127.22)   88.94                80
 08/05/2021   06:27:41   (   0.05,-128.06) (   0.87,-124.27)  430.63                80
 08/05/2021   18:51:35   (  -0.02,-127.99) (   0.27,-129.42)  162.71                80