Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 15.  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)
 11/15/2021   22:49:15   (  70.47,-166.71) 11/15/2021   22:50:25  (  70.36,-165.72)   38.97                70
 11/15/2021   23:39:49   ( -69.96,   1.40) 11/15/2021   23:40:00  ( -69.97,   1.36)    2.22                11
 11/16/2021   00:30:33   (  69.84, 168.88) 11/16/2021   00:29:27  (  69.87, 168.86)    2.83                66
 11/18/2021   15:06:00   (  70.03, -50.25) 11/18/2021   15:06:59  (  70.02, -50.32)    3.25                59
 11/18/2021   15:56:42   ( -69.94, 117.20) 11/18/2021   15:56:28  ( -69.96, 117.24)    2.54                14
 11/18/2021   16:47:14   (  69.19, -74.40) 11/18/2021   16:46:06  (  69.25, -76.09)   67.13                68
 11/21/2021   07:22:52   (  70.02,  65.54) 11/21/2021   07:23:26  (  70.00,  65.54)    2.88                34
 11/21/2021   08:13:33   ( -69.88,-126.92) 11/21/2021   08:12:56  ( -69.89,-126.98)    2.76                37
 11/23/2021   22:49:10   ( -70.60,  13.12) 11/23/2021   22:50:20  ( -70.47,  14.46)   51.79                70
 11/23/2021   23:39:44   (  69.97,-178.59) 11/23/2021   23:39:54  (  69.98,-178.61)    1.38                10
 11/24/2021   00:30:26   ( -69.87, -11.13) 11/24/2021   00:29:24  ( -69.87, -11.12)    0.54                62
 11/26/2021   15:05:53   ( -70.07, 129.73) 11/26/2021   15:06:55  ( -70.07, 129.76)    1.02                62
 11/26/2021   15:56:37   (  69.96, -62.80) 11/26/2021   15:56:22  (  69.95, -62.76)    2.20                15
 11/26/2021   16:47:10   ( -69.39, 105.36) 11/26/2021   16:45:59  ( -69.46, 104.21)   45.83                71