Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 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)
 09/15/2019   23:39:26   (  70.00,-178.49) 09/15/2019   23:39:54  (  70.00,-178.57)    2.98                28
 09/16/2019   00:30:08   ( -69.91, -11.04) 09/16/2019   00:29:24  ( -69.90, -11.08)    2.08                44
 09/18/2019   15:05:43   ( -70.36, 129.40) 09/18/2019   15:06:54  ( -70.29, 130.07)   26.49                71
 09/18/2019   15:56:22   (  69.99, -62.71) 09/18/2019   15:56:24  (  70.01, -62.68)    3.33                 2
 09/18/2019   16:47:04   ( -69.89, 104.75) 09/18/2019   16:45:54  ( -69.91, 104.81)    3.02                70
 09/21/2019   07:22:33   ( -70.09,-114.41) 09/21/2019   07:23:27  ( -70.08,-114.35)    2.38                54
 09/21/2019   08:13:17   (  69.98,  53.07) 09/21/2019   08:12:54  (  69.97,  53.14)    2.93                23
 09/21/2019   09:03:45   ( -69.14,-138.40) 09/21/2019   09:02:37  ( -69.15,-140.33)   76.66                68
 09/23/2019   23:39:28   ( -70.02,   1.45) 09/23/2019   23:39:58  ( -70.04,   1.47)    1.51                30
 09/24/2019   00:30:12   (  69.92, 168.92) 09/24/2019   00:29:25  (  69.92, 168.95)    1.33                47
 09/26/2019   15:05:45   (  70.28, -50.49) 09/26/2019   15:06:57  (  70.20, -50.05)   18.41                72
 09/26/2019   15:56:24   ( -70.01, 117.23) 09/26/2019   15:56:29  ( -69.99, 117.28)    2.97                 5
 09/26/2019   16:47:07   (  69.86, -75.22) 09/26/2019   16:45:56  (  69.88, -75.23)    2.27                71
 09/29/2019   07:22:37   (  70.06,  65.61) 09/29/2019   07:23:30  (  70.05,  65.61)    1.46                53
 09/29/2019   08:13:19   ( -69.95,-126.91) 09/29/2019   08:13:00  ( -69.95,-126.90)    0.48                19