Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 7 31.  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)
 07/31/2021   18:30:36   (  -0.06,-127.84) (  -0.66,-124.98)  325.04                80
 08/01/2021   06:54:41   (   0.03,-127.93) (  -0.42,-130.18)  255.34                80
 08/03/2021   06:39:50   (   0.04,-127.98) (   0.18,-127.21)   86.27                80
 08/05/2021   06:27:40   (   0.05,-128.02) (   0.83,-124.26)  427.19                80
 08/05/2021   18:51:35   (  -0.02,-127.96) (   0.30,-129.41)  165.53                80
 08/07/2021   18:36:45   (  -0.03,-128.00) (  -0.36,-126.46)  174.85                80
 08/08/2021   07:00:49   (   0.00,-128.09) (  -0.78,-131.65)  404.89                80
 08/10/2021   06:48:39   (   0.01,-128.13) (  -0.11,-128.70)   65.10                80
 08/12/2021   06:33:49   (   0.02,-128.16) (   0.55,-125.75)  274.27                80
 08/12/2021   18:57:44   (   0.01,-128.08) (   0.59,-130.90)  319.83                80