Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 1.  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)
 05/01/2021   06:27:05   (  -0.04,-127.62) (   0.66,-124.24)  384.00                80
 05/01/2021   18:48:20   (   0.03,-127.69) (   0.39,-129.41)  195.06                80
 05/03/2021   18:38:48   (   0.03,-127.77) (  -0.28,-126.46)  150.03                80
 05/04/2021   07:00:12   (  -0.02,-127.76) (  -0.82,-131.65)  442.55                80
 05/05/2021   18:26:35   (   0.03,-127.86) (  -0.89,-123.50)  495.20                80
 05/06/2021   06:47:59   (  -0.02,-127.84) (  -0.20,-128.69)   97.53                80
 05/08/2021   06:33:06   (  -0.03,-127.91) (   0.41,-125.73)  247.44                80
 05/08/2021   18:54:22   (   0.02,-127.97) (   0.63,-130.90)  333.20                80
 05/10/2021   18:44:49   (   0.02,-128.05) (   0.01,-127.94)   11.64                80
 05/12/2021   18:32:37   (   0.02,-128.12) (  -0.67,-125.00)  355.71                80
 05/13/2021   06:54:00   (  -0.02,-128.11) (  -0.48,-130.18)  235.86                80