Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 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)
 11/23/2021   22:49:13   ( -70.76,  12.85) 11/23/2021   22:50:21  ( -70.65,  14.71)   69.39                68
 11/23/2021   23:39:45   (  70.01,-178.66) 11/23/2021   23:39:58  (  70.00,-178.59)    3.02                13
 11/24/2021   00:30:26   ( -69.87, -11.14) 11/24/2021   00:29:28  ( -69.89, -11.11)    2.27                58
 11/26/2021   15:05:53   ( -70.07, 129.72) 11/26/2021   15:07:01  ( -70.08, 129.75)    1.90                68
 11/26/2021   15:56:37   (  69.96, -62.80) 11/26/2021   15:56:28  (  69.98, -62.75)    2.71                 9
 11/26/2021   16:47:14   ( -69.60, 105.05) 11/26/2021   16:46:02  ( -69.65, 104.43)   24.43                72
 11/29/2021   07:22:46   ( -70.07,-114.49) 11/29/2021   07:23:31  ( -70.05,-114.41)    3.33                45
 11/29/2021   08:13:29   (  69.90,  53.07) 11/29/2021   08:12:59  (  69.89,  53.00)    3.03                30
 12/01/2021   22:49:11   (  70.95,-167.44) 12/01/2021   22:50:17  (  70.83,-165.02)   88.95                66
 12/01/2021   23:39:37   ( -70.01,   1.37) 12/01/2021   23:40:00  ( -70.02,   1.42)    1.73                23
 12/02/2021   00:30:21   (  69.90, 168.85) 12/02/2021   00:29:27  (  69.90, 168.90)    2.01                54
 12/04/2021   15:05:48   (  70.11, -50.31) 12/04/2021   15:07:00  (  70.07, -50.26)    4.42                72
 12/04/2021   15:56:29   ( -69.96, 117.23) 12/04/2021   15:56:30  ( -69.98, 117.24)    1.59                 1
 12/04/2021   16:47:11   (  69.75, -75.14) 12/04/2021   16:45:58  (  69.80, -75.36)   10.53                73