Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 16.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2021   01:58:23   ( -80.19,  -0.44) 01/17/2021   01:57:44  ( -80.18,  -0.56)    2.75                39
 01/17/2021   02:47:50   (  80.16, 166.93) 01/17/2021   02:48:49  (  80.16, 166.85)    1.61                59
 01/19/2021   07:32:06   (  80.17,  95.94) 01/19/2021   07:31:03  (  80.19,  95.99)    2.57                63
 01/19/2021   08:21:33   ( -80.17, -96.43) 01/19/2021   08:21:57  ( -80.17, -96.50)    1.50                24
 01/21/2021   13:55:15   (  80.18,   0.22) 01/21/2021   13:55:16  (  80.18,   0.08)    2.82                 1
 01/23/2021   19:28:58   ( -80.18,  96.86) 01/23/2021   19:28:23  ( -80.18,  96.98)    2.46                35
 01/23/2021   20:18:24   (  80.18, -95.52) 01/23/2021   20:19:28  (  80.16, -95.53)    2.21                64
 01/26/2021   01:02:40   (  80.18,-166.56) 01/26/2021   01:01:42  (  80.19,-166.46)    2.16                58
 01/26/2021   01:52:07   ( -80.19,   1.11) 01/26/2021   01:52:36  ( -80.18,   1.04)    1.85                29