Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 20.  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)
 01/21/2021   06:32:32   ( -70.76,-102.92) 01/21/2021   06:33:40  ( -70.67,-101.15)   65.72                68
 01/21/2021   07:23:04   (  70.01,  65.57) 01/21/2021   07:23:17  (  70.02,  65.55)    1.51                13
 01/21/2021   08:13:46   ( -69.92,-126.98) 01/21/2021   08:12:47  ( -69.91,-126.98)    2.02                59
 01/23/2021   22:49:14   ( -70.11,  13.88) 01/23/2021   22:50:18  ( -70.13,  13.93)    2.33                64
 01/23/2021   23:39:58   (  70.00,-178.63) 01/23/2021   23:39:46  (  69.97,-178.65)    3.33                12
 01/24/2021   00:30:33   ( -69.54, -10.63) 01/24/2021   00:29:21  ( -69.58, -11.55)   35.84                72
 01/26/2021   15:06:08   ( -70.04, 129.76) 01/26/2021   15:06:48  ( -70.07, 129.73)    3.07                40
 01/26/2021   15:56:53   (  69.98, -62.84) 01/26/2021   15:56:15  (  69.96, -62.78)    3.39                38
 01/29/2021   06:32:31   (  70.65,  77.25) 01/29/2021   06:33:40  (  70.55,  78.68)   53.74                69
 01/29/2021   07:23:03   ( -70.03,-114.45) 01/29/2021   07:23:18  ( -70.01,-114.48)    2.72                15
 01/29/2021   08:13:47   (  69.92,  53.03) 01/29/2021   08:12:45  (  69.90,  53.01)    2.57                62
 01/31/2021   22:49:16   (  70.12,-166.13) 01/31/2021   22:50:17  (  70.10,-166.10)    2.22                61
 01/31/2021   23:39:58   ( -70.02,   1.34) 01/31/2021   23:39:47  ( -70.00,   1.39)    2.87                11
 02/01/2021   00:30:32   (  69.38, 169.59) 02/01/2021   00:29:22  (  69.44, 168.27)   52.11                70