Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 23.  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)
 01/23/2021   22:49:14   ( -70.09,  13.92) 01/23/2021   22:50:19  ( -70.10,  13.89)    1.66                65
 01/23/2021   23:39:59   (  70.02,-178.67) 01/23/2021   23:39:46  (  70.00,-178.61)    3.41                13
 01/24/2021   00:30:33   ( -69.51, -10.60) 01/24/2021   00:29:22  ( -69.55, -11.59)   38.75                71
 01/26/2021   15:06:09   ( -70.07, 129.72) 01/26/2021   15:06:49  ( -70.04, 129.69)    3.27                40
 01/26/2021   15:56:53   (  69.95, -62.80) 01/26/2021   15:56:16  (  69.94, -62.81)    1.71                37
 01/29/2021   06:32:31   (  70.68,  77.22) 01/29/2021   06:33:40  (  70.53,  78.65)   55.08                69
 01/29/2021   07:23:03   ( -70.06,-114.49) 01/29/2021   07:23:17  ( -70.04,-114.44)    2.69                14
 01/29/2021   08:13:47   (  69.94,  52.99) 01/29/2021   08:12:44  (  69.93,  53.06)    2.77                63
 01/31/2021   22:49:15   (  70.09,-166.08) 01/31/2021   22:50:17  (  70.08,-166.13)    2.09                62
 01/31/2021   23:39:57   ( -69.99,   1.39) 01/31/2021   23:39:47  ( -69.98,   1.35)    2.23                10
 02/01/2021   00:30:32   (  69.41, 169.56) 02/01/2021   00:29:22  (  69.43, 168.24)   51.59                70
 02/03/2021   15:06:10   (  70.08, -50.29) 02/03/2021   15:06:46  (  70.07, -50.27)    1.79                36
 02/03/2021   15:56:52   ( -69.98, 117.18) 02/03/2021   15:56:16  ( -69.96, 117.21)    2.48                36