Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 7.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2021   22:49:19   ( -70.47,  13.27) 11/07/2021   22:50:29  ( -70.36,  14.27)   39.47                70
 11/07/2021   23:39:56   (  69.99,-178.68) 11/07/2021   23:40:01  (  69.99,-178.62)    2.34                 5
 11/08/2021   00:30:37   ( -69.85, -11.15) 11/08/2021   00:29:31  ( -69.87, -11.15)    2.73                66
 11/10/2021   15:06:04   ( -70.03, 129.74) 11/10/2021   15:07:03  ( -70.04, 129.70)    2.28                59
 11/10/2021   15:56:48   (  69.92, -62.79) 11/10/2021   15:56:30  (  69.94, -62.80)    2.32                18
 11/10/2021   16:47:19   ( -69.24, 105.51) 11/10/2021   16:46:10  ( -69.28, 103.93)   62.36                69
 11/13/2021   07:22:57   ( -70.01,-114.45) 11/13/2021   07:23:32  ( -69.99,-114.49)    2.49                35
 11/13/2021   08:13:41   (  69.90,  53.02) 11/13/2021   08:12:59  (  69.88,  53.00)    2.43                42
 11/15/2021   22:49:15   (  70.46,-166.69) 11/15/2021   22:50:25  (  70.36,-165.71)   38.17                70
 11/15/2021   23:39:50   ( -69.99,   1.35) 11/15/2021   23:40:00  ( -69.98,   1.38)    1.50                10
 11/16/2021   00:30:34   (  69.89, 168.82) 11/16/2021   00:29:27  (  69.87, 168.87)    2.72                67
 11/18/2021   15:06:00   (  70.08, -50.32) 11/18/2021   15:06:57  (  70.06, -50.25)    2.92                57
 11/18/2021   15:56:41   ( -69.92, 117.23) 11/18/2021   15:56:28  ( -69.91, 117.16)    3.24                13
 11/18/2021   16:47:13   (  69.18, -74.38) 11/18/2021   16:46:05  (  69.24, -76.10)   68.07                68