Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 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)
 09/24/2021   18:39:42   (  -0.36,-127.74) (  -0.60,-126.51)  139.39                80
 09/25/2021   06:58:26   (   0.37,-127.76) (  -0.47,-131.71)  449.19                80
 09/26/2021   18:27:32   (  -0.35,-127.67) (  -1.25,-123.56)  467.52                80
 09/27/2021   06:46:15   (   0.36,-127.69) (   0.12,-128.75)  121.22                80
 09/29/2021   06:36:45   (   0.36,-127.61) (   0.77,-125.80)  206.15                80
 09/29/2021   18:55:20   (  -0.37,-127.55) (   0.37,-130.95)  387.06                80
 10/01/2021   18:43:09   (  -0.36,-127.46) (  -0.22,-127.98)   60.39                80
 10/03/2021   18:33:39   (  -0.36,-127.37) (  -0.89,-125.04)  265.99                80
 10/04/2021   06:52:23   (   0.37,-127.38) (  -0.24,-130.22)  322.93                80
 10/06/2021   06:42:52   (   0.37,-127.29) (   0.37,-127.26)    3.02                80