Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 14.  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)
 09/15/2021   18:45:47   (  -0.34,-128.01) (  -0.34,-128.00)    0.91                80
 09/17/2021   18:33:36   (  -0.33,-127.95) (  -0.97,-125.05)  331.19                80
 09/18/2021   06:52:19   (   0.35,-127.99) (  -0.15,-130.23)  255.19                80
 09/20/2021   06:42:48   (   0.35,-127.94) (   0.49,-127.28)   75.10                80
 09/22/2021   06:30:38   (   0.35,-127.88) (   1.12,-124.32)  405.35                80
 09/22/2021   18:49:12   (  -0.36,-127.81) (   0.01,-129.47)  189.06                80
 09/24/2021   18:39:41   (  -0.36,-127.75) (  -0.62,-126.51)  140.76                80
 09/25/2021   06:58:25   (   0.37,-127.79) (  -0.49,-131.70)  445.39                80
 09/26/2021   18:27:29   (  -0.35,-127.68) (  -1.20,-123.55)  470.02                80
 09/27/2021   06:46:14   (   0.37,-127.72) (   0.15,-128.75)  116.27                80