Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 4 29.  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) (   0.68,-124.25)  384.08                80
 05/01/2021   18:48:20   (   0.03,-127.69) (   0.42,-129.40)  195.16                80
 05/03/2021   18:38:48   (   0.03,-127.77) (  -0.24,-126.45)  149.92                80
 05/04/2021   07:00:12   (  -0.02,-127.76) (  -0.85,-131.65)  442.43                80
 05/05/2021   18:26:36   (   0.03,-127.86) (  -0.91,-123.50)  495.13                80
 05/06/2021   06:48:00   (  -0.02,-127.84) (  -0.18,-128.70)   97.46                80
 05/08/2021   06:33:07   (  -0.03,-127.92) (   0.43,-125.74)  247.52                80
 05/08/2021   18:54:22   (   0.02,-127.97) (   0.61,-130.91)  333.31                80
 05/10/2021   18:44:50   (   0.02,-128.05) (  -0.00,-127.95)   11.43                80
 05/12/2021   18:32:37   (   0.03,-128.12) (  -0.62,-124.99)  355.59                80
 05/13/2021   06:54:00   (  -0.02,-128.11) (  -0.46,-130.18)  235.75                80