Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 12.  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)
 11/13/2021   07:22:57   ( -70.01,-114.46) 11/13/2021   07:23:32  ( -69.99,-114.50)    3.29                35
 11/13/2021   08:13:41   (  69.90,  53.02) 11/13/2021   08:12:59  (  69.88,  53.00)    2.01                42
 11/15/2021   22:49:15   (  70.46,-166.69) 11/15/2021   22:50:25  (  70.37,-165.70)   38.36                70
 11/15/2021   23:39:50   ( -70.00,   1.34) 11/15/2021   23:40:00  ( -69.98,   1.38)    2.07                10
 11/16/2021   00:30:34   (  69.89, 168.82) 11/16/2021   00:29:27  (  69.88, 168.88)    2.48                67
 11/18/2021   15:05:59   (  70.03, -50.24) 11/18/2021   15:06:58  (  70.03, -50.31)    2.57                59
 11/18/2021   15:56:41   ( -69.93, 117.22) 11/18/2021   15:56:28  ( -69.92, 117.18)    1.98                13
 11/18/2021   16:47:14   (  69.24, -74.46) 11/18/2021   16:46:05  (  69.26, -76.08)   63.79                69
 11/21/2021   07:22:52   (  70.02,  65.55) 11/21/2021   07:23:26  (  70.01,  65.55)    1.00                34
 11/21/2021   08:13:34   ( -69.92,-126.98) 11/21/2021   08:12:56  ( -69.91,-126.96)    1.88                38
 11/23/2021   22:49:10   ( -70.59,  13.13) 11/23/2021   22:50:20  ( -70.49,  14.48)   51.49                70
 11/23/2021   23:39:44   (  69.96,-178.58) 11/23/2021   23:39:54  (  69.99,-178.59)    2.85                10
 11/24/2021   00:30:26   ( -69.86, -11.11) 11/24/2021   00:29:24  ( -69.89, -11.10)    2.85                62