Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 3.  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)
 05/03/2021   18:38:48   (   0.02,-127.77) (  -0.28,-126.46)  149.72                80
 05/04/2021   07:00:12   (  -0.01,-127.75) (  -0.82,-131.65)  443.09                80
 05/05/2021   18:26:35   (   0.02,-127.85) (  -0.89,-123.50)  494.66                80
 05/06/2021   06:47:59   (  -0.02,-127.83) (  -0.21,-128.69)   98.32                80
 05/08/2021   06:33:07   (  -0.02,-127.91) (   0.47,-125.75)  246.40                80
 05/08/2021   18:54:22   (   0.01,-127.96) (   0.64,-130.90)  334.12                80
 05/10/2021   18:44:49   (   0.02,-128.04) (   0.02,-127.94)   10.69                80
 05/12/2021   18:32:37   (   0.02,-128.11) (  -0.66,-124.99)  354.25                80
 05/13/2021   06:54:01   (  -0.01,-128.09) (  -0.43,-130.19)  237.60                80
 05/15/2021   06:39:08   (  -0.02,-128.15) (   0.19,-127.23)  105.14                80
 05/15/2021   19:00:23   (   0.01,-128.19) (   0.92,-132.38)  477.51                80