Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 16.  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)
 09/17/2021   18:33:35   (  -0.33,-127.95) (  -0.95,-125.04)  331.13                80
 09/18/2021   06:52:20   (   0.35,-127.99) (  -0.11,-130.24)  255.47                80
 09/20/2021   06:42:48   (   0.35,-127.93) (   0.46,-127.27)   74.77                80
 09/22/2021   06:30:37   (   0.35,-127.88) (   1.10,-124.32)  404.84                80
 09/22/2021   18:49:13   (  -0.36,-127.81) (  -0.02,-129.48)  189.37                80
 09/24/2021   18:39:41   (  -0.36,-127.75) (  -0.60,-126.51)  140.34                80
 09/25/2021   06:58:26   (   0.37,-127.79) (  -0.46,-131.71)  446.06                80
 09/26/2021   18:27:30   (  -0.35,-127.68) (  -1.24,-123.55)  469.45                80
 09/27/2021   06:46:14   (   0.37,-127.72) (   0.12,-128.74)  117.10                80
 09/29/2021   06:36:43   (   0.36,-127.64) (   0.77,-125.79)  211.25                80
 09/29/2021   18:55:18   (  -0.37,-127.56) (   0.37,-130.93)  383.68                80