Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 12 18.  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)
 12/18/2019   07:22:44   (  70.06,  65.58) 12/18/2019   07:23:25  (  70.06,  65.60)    0.75                41
 12/18/2019   08:13:24   ( -69.93,-126.90) 12/18/2019   08:12:54  ( -69.95,-126.92)    2.76                30
 12/20/2019   22:49:07   ( -70.87,  12.76) 12/20/2019   22:50:14  ( -70.79,  14.92)   79.53                67
 12/20/2019   23:39:37   (  70.02,-178.57) 12/20/2019   23:39:53  (  70.03,-178.56)    1.82                16
 12/21/2019   00:30:19   ( -69.93, -11.13) 12/21/2019   00:29:23  ( -69.92, -11.07)    2.42                56
 12/23/2019   15:05:47   ( -70.09, 129.77) 12/23/2019   15:06:55  ( -70.11, 129.79)    2.01                68
 12/23/2019   15:56:31   (  69.97, -62.74) 12/23/2019   15:56:22  (  70.00, -62.72)    2.51                 9
 12/23/2019   16:47:08   ( -69.62, 105.10) 12/23/2019   16:45:56  ( -69.67, 104.46)   25.28                72
 12/26/2019   07:22:41   ( -70.05,-114.39) 12/26/2019   07:23:24  ( -70.08,-114.38)    2.64                43
 12/26/2019   08:13:25   (  69.94,  53.09) 12/26/2019   08:12:51  (  69.96,  53.11)    2.44                34
 12/28/2019   22:49:05   (  70.74,-167.02) 12/28/2019   22:50:14  (  70.63,-165.32)   63.63                69
 12/28/2019   23:39:35   ( -70.01,   1.45) 12/28/2019   23:39:53  ( -70.04,   1.45)    2.48                18
 12/29/2019   00:30:18   (  69.90, 168.92) 12/29/2019   00:29:19  (  69.92, 168.93)    1.60                59
 12/31/2019   15:05:46   (  70.07, -50.19) 12/31/2019   15:06:51  (  70.09, -50.23)    2.02                65
 12/31/2019   15:56:28   ( -69.98, 117.28) 12/31/2019   15:56:21  ( -69.99, 117.27)    1.54                 7
 12/31/2019   16:47:05   (  69.50, -74.70) 12/31/2019   16:45:54  (  69.54, -75.71)   39.35                71