Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 6.  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)
 12/06/2020   06:42:44   (  -0.21,-128.06) (  -0.01,-127.18)   99.82                80
 12/06/2020   19:01:20   (   0.19,-128.05) (   1.07,-132.34)  487.35                80
 12/08/2020   06:30:33   (  -0.22,-128.10) (   0.64,-124.23)  440.53                80
 12/08/2020   18:49:08   (   0.20,-128.09) (   0.49,-129.38)  146.82                80
 12/10/2020   18:39:37   (   0.20,-128.12) (  -0.16,-126.43)  193.21                80
 12/11/2020   06:58:22   (  -0.18,-128.15) (  -0.90,-131.63)  395.27                80
 12/13/2020   06:46:10   (  -0.19,-128.17) (  -0.30,-128.66)   55.99                80
 12/15/2020   06:36:39   (  -0.19,-128.19) (   0.36,-125.71)  282.72                80
 12/15/2020   18:55:13   (   0.17,-128.19) (   0.76,-130.86)  304.85                80
 12/17/2020   18:45:43   (   0.18,-128.20) (   0.10,-127.91)   33.56                80
 12/19/2020   18:33:31   (   0.19,-128.22) (  -0.51,-124.95)  371.89                80