Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 8.  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)
 11/10/2021   15:06:04   ( -70.03, 129.74) 11/10/2021   15:07:03  ( -70.04, 129.70)    2.42                59
 11/10/2021   15:56:48   (  69.92, -62.79) 11/10/2021   15:56:30  (  69.94, -62.80)    2.78                18
 11/10/2021   16:47:19   ( -69.24, 105.51) 11/10/2021   16:46:10  ( -69.28, 103.93)   62.37                69
 11/13/2021   07:22:57   ( -70.01,-114.45) 11/13/2021   07:23:32  ( -69.99,-114.49)    2.25                35
 11/13/2021   08:13:41   (  69.90,  53.02) 11/13/2021   08:12:59  (  69.88,  53.00)    1.86                42
 11/15/2021   22:49:15   (  70.45,-166.69) 11/15/2021   22:50:25  (  70.36,-165.71)   38.00                70
 11/15/2021   23:39:50   ( -69.99,   1.35) 11/15/2021   23:40:00  ( -69.98,   1.38)    1.23                10
 11/16/2021   00:30:34   (  69.88, 168.82) 11/16/2021   00:29:27  (  69.87, 168.87)    2.22                67
 11/18/2021   15:06:00   (  70.07, -50.31) 11/18/2021   15:06:57  (  70.07, -50.24)    2.58                57
 11/18/2021   15:56:41   ( -69.92, 117.24) 11/18/2021   15:56:28  ( -69.91, 117.17)    2.81                13
 11/18/2021   16:47:14   (  69.23, -74.45) 11/18/2021   16:46:05  (  69.24, -76.09)   64.70                69
 11/21/2021   07:22:52   (  70.01,  65.56) 11/21/2021   07:23:26  (  69.98,  65.52)    3.33                34
 11/21/2021   08:13:34   ( -69.91,-126.97) 11/21/2021   08:12:56  ( -69.89,-126.98)    2.68                38