Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 10.  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)
 01/11/2021   18:39:30   (   0.08,-128.13) (  -0.29,-126.43)  193.08                80
 01/12/2021   06:58:14   (  -0.05,-128.10) (  -0.81,-131.62)  401.34                80
 01/14/2021   06:46:02   (  -0.06,-128.06) (  -0.16,-128.67)   68.62                80
 01/16/2021   06:36:29   (  -0.07,-128.02) (   0.42,-125.70)  264.12                80
 01/16/2021   18:55:05   (   0.03,-128.04) (   0.63,-130.87)  321.35                80
 01/18/2021   18:42:52   (   0.04,-128.00) (   0.04,-127.90)   11.40                80
 01/20/2021   18:33:20   (   0.05,-127.96) (  -0.62,-124.94)  343.41                80
 01/21/2021   06:52:03   (  -0.01,-127.92) (  -0.48,-130.14)  251.88                80
 01/23/2021   06:42:31   (  -0.01,-127.87) (   0.12,-127.17)   79.60                80