Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 11 19.  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)
 11/20/2020   06:42:40   (  -0.21,-127.60) (  -0.10,-127.15)   51.97                80
 11/22/2020   06:30:29   (  -0.22,-127.68) (   0.51,-124.19)  396.75                80
 11/22/2020   18:49:05   (   0.21,-127.66) (   0.56,-129.35)  192.28                80
 11/24/2020   18:39:34   (   0.21,-127.74) (  -0.05,-126.39)  152.34                80
 11/25/2020   06:58:19   (  -0.20,-127.80) (  -1.02,-131.59)  431.65                80
 11/26/2020   18:27:24   (   0.22,-127.81) (  -0.73,-123.45)  496.62                80
 11/27/2020   06:46:08   (  -0.21,-127.87) (  -0.40,-128.64)   87.47                80
 11/29/2020   06:36:38   (  -0.21,-127.94) (   0.29,-125.69)  256.23                80
 11/29/2020   18:55:12   (   0.20,-127.92) (   0.84,-130.84)  332.98                80
 12/01/2020   18:45:42   (   0.20,-127.98) (   0.16,-127.90)   10.24                80