Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 15.  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)
 01/16/2021   06:36:29   (  -0.07,-128.01) (   0.44,-125.70)  263.16                80
 01/16/2021   18:55:05   (   0.03,-128.03) (   0.61,-130.87)  322.50                80
 01/18/2021   18:45:32   (   0.04,-127.99) (   0.02,-127.90)    9.54                80
 01/20/2021   18:33:19   (   0.05,-127.94) (  -0.58,-124.94)  341.28                80
 01/21/2021   06:52:04   (  -0.01,-127.90) (  -0.46,-130.14)  254.14                80
 01/23/2021   06:42:31   (  -0.01,-127.85) (   0.15,-127.18)   76.86                80
 01/25/2021   06:30:18   (  -0.02,-127.79) (   0.75,-124.21)  407.29                80
 01/25/2021   18:48:54   (  -0.02,-127.80) (   0.30,-129.38)  178.40                80
 01/27/2021   18:39:21   (  -0.02,-127.74) (  -0.31,-126.41)  151.11                80
 01/28/2021   06:58:04   (   0.06,-127.69) (  -0.78,-131.60)  445.50                80