Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 2.  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) (  -0.25,-126.45)  149.82                80
 05/04/2021   07:00:12   (  -0.02,-127.75) (  -0.85,-131.65)  442.87                80
 05/05/2021   18:26:36   (   0.03,-127.85) (  -0.92,-123.51)  494.90                80
 05/06/2021   06:48:00   (  -0.02,-127.83) (  -0.17,-128.70)   98.04                80
 05/08/2021   06:33:07   (  -0.02,-127.91) (   0.44,-125.74)  246.83                80
 05/08/2021   18:54:22   (   0.02,-127.97) (   0.67,-130.89)  333.72                80
 05/10/2021   18:44:50   (   0.02,-128.04) (  -0.01,-127.95)   10.97                80
 05/12/2021   18:32:37   (   0.02,-128.11) (  -0.63,-124.99)  354.92                80
 05/13/2021   06:54:00   (  -0.02,-128.10) (  -0.45,-130.18)  236.79                80
 05/15/2021   06:39:08   (  -0.02,-128.16) (   0.17,-127.23)  106.06                80
 05/15/2021   19:00:23   (   0.01,-128.19) (   0.88,-132.39)  476.64                80