Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 26.  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)
 09/26/2021   06:32:45   (  70.38,  77.56) 09/26/2021   06:33:56  (  70.28,  78.31)   30.16                71
 09/26/2021   07:23:21   ( -69.98,-114.50) 09/26/2021   07:23:29  ( -70.00,-114.46)    2.55                 8
 09/26/2021   08:14:05   (  69.86,  52.99) 09/26/2021   08:12:57  (  69.85,  52.97)    1.51                68
 09/28/2021   22:49:33   (  70.05,-166.15) 09/28/2021   22:50:31  (  70.03,-166.18)    2.75                58
 09/28/2021   23:40:15   ( -69.96,   1.30) 09/28/2021   23:40:00  ( -69.97,   1.37)    2.77                15
 09/29/2021   00:30:47   (  69.21, 169.70) 09/29/2021   00:29:38  (  69.26, 168.05)   65.45                69
 10/01/2021   15:06:26   (  69.99, -50.28) 10/01/2021   15:07:02  (  69.99, -50.35)    2.94                36
 10/01/2021   15:57:08   ( -69.89, 117.18) 10/01/2021   15:56:32  ( -69.88, 117.12)    2.37                36
 10/04/2021   06:32:47   ( -70.71,-102.96) 10/04/2021   06:33:55  ( -70.61,-101.23)   64.86                68
 10/04/2021   07:23:19   (  69.98,  65.51) 10/04/2021   07:23:32  (  69.96,  65.47)    2.47                13
 10/04/2021   08:14:01   ( -69.88,-127.03) 10/04/2021   08:13:02  ( -69.85,-127.05)    3.42                59
 10/06/2021   22:49:29   ( -70.07,  13.83) 10/06/2021   22:50:35  ( -70.09,  13.88)    2.44                66
 10/06/2021   23:40:12   (  69.92,-178.63) 10/06/2021   23:40:03  (  69.92,-178.70)    3.00                 9
 10/07/2021   00:30:49   ( -69.55, -10.77) 10/07/2021   00:29:37  ( -69.60, -11.52)   29.36                72
 10/09/2021   15:06:22   ( -70.01, 129.69) 10/09/2021   15:07:07  ( -70.00, 129.63)    2.97                45
 10/09/2021   15:57:06   (  69.91, -62.84) 10/09/2021   15:56:34  (  69.89, -62.88)    3.12                32